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🚨 New Models Alert: WebDev 💻 GPT-5-Codex and Qwen3-Coder-Plus are both now available on WebDev Arena! In the WebDev Arena, you can test out all the best frontier AI coding models on web development tasks. Vote for your preferred response and see how they stack up on the leaderboard....

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Arena.ai

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21,140 просмотров • 1 год назад •via X (Twitter)

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Фото профиля Arena.ai
Arena.ai1 год назад

Learn more about GPT-5-Codex, an upgrade for agentic coding:

Фото профиля Arena.ai
Arena.ai1 год назад

Check out the details of Qwen3-Coder-Plus, now with enhanced terminal task capabilities:

Фото профиля Arena.ai
Arena.ai1 год назад

Don't forget to vote! We'll see how both of these models stack up on the leaderboard soon. Come test out GPT-5-Codex and Qwen3-Coder-Plus vs. all the other best coding models on:

Фото профиля Alex Secara
Alex Secara1 год назад

WebDev Arena just got even cooler

Фото профиля AJ - e/acc ⚡
AJ - e/acc ⚡1 год назад

None both horrible with those stupid gradients

Фото профиля DOSSO Mohammed
DOSSO Mohammed7 месяцев назад

@BerteADA Hi @BerteADA ! I follow you now. Please Fb me. Thanks !

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Very excited to share the best coding model we’ve ever built! Today we’re launching Gemini 2.5 Pro Preview 'I/O edition' with massively improved coding capabilities. Ranks no.1 on LMArena in Coding and no.1 on the WebDev Arena Leaderboard. It’s especially good at building interactive web apps - this demo shows how it can be helpful for prototyping ideas. Try it in Google Gemini, Vertex AI, and AI Studio Enjoy the pre-I/O goodies !
0:32

Very excited to share the best coding model we’ve ever built! Today we’re launching Gemini 2.5 Pro Preview 'I/O edition' with massively improved coding capabilities. Ranks no.1 on LMArena in Coding and no.1 on the WebDev Arena Leaderboard. It’s especially good at building interactive web apps - this demo shows how it can be helpful for prototyping ideas. Try it in Google Gemini, Vertex AI, and AI Studio Enjoy the pre-I/O goodies !

Demis Hassabis

997,345 просмотров • 1 год назад

👨‍💻Have you tested models in the new Code Arena yet? In this thread, we’re showcasing real Gemini 3 Pro by Google DeepMind creations and the exact prompts used, all of them built inside the Code Arena. You can directly compare Gemini’s outputs against other top frontier models on real web development tasks. Build, compare, vote, and share your own creations directly from the chat. See examples in the thread. 🧵
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👨‍💻Have you tested models in the new Code Arena yet? In this thread, we’re showcasing real Gemini 3 Pro by Google DeepMind creations and the exact prompts used, all of them built inside the Code Arena. You can directly compare Gemini’s outputs against other top frontier models on real web development tasks. Build, compare, vote, and share your own creations directly from the chat. See examples in the thread. 🧵

Arena.ai

25,421 просмотров • 11 месяцев назад

🚨BIG NEWS: 🎬 Video Arena is now live on the web! Test out Veo 3.1, Sora 2, Seedance v1.5 Pro, Kling 2.6 Pro, Wan 2.5 & more. What started last summer as a small Discord bot experiment has grown into a rigorous way to measure and understand how frontier video models perform with real-world use. Thank you to our wonderful community for all the feedback! Today, we’re opening up access by making it available on the web. 🎥 Generate videos with 15 different frontier AI models and compare them head-to-head. 📊 Vote for the best output to power the leaderboards.
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🚨BIG NEWS: 🎬 Video Arena is now live on the web! Test out Veo 3.1, Sora 2, Seedance v1.5 Pro, Kling 2.6 Pro, Wan 2.5 & more. What started last summer as a small Discord bot experiment has grown into a rigorous way to measure and understand how frontier video models perform with real-world use. Thank you to our wonderful community for all the feedback! Today, we’re opening up access by making it available on the web. 🎥 Generate videos with 15 different frontier AI models and compare them head-to-head. 📊 Vote for the best output to power the leaderboards.

Arena.ai

63,006 просмотров • 9 месяцев назад

Introducing Agent Mode: Agentic AI is now measured in the Arena. Agent Mode can do deep research, create reports, generate images, build websites, debug code, and more. It completes more complex tasks by using tools like web search, bash in a sandbox environment, image generation, file writing, and asking follow-up questions. Frontier models are waiting for you in Agent Mode to take on real-world tasks. GPT-5.5, Claude Opus 4.7, Gemini 3.1 Pro, and top open models. Test them yourself.
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Introducing Agent Mode: Agentic AI is now measured in the Arena. Agent Mode can do deep research, create reports, generate images, build websites, debug code, and more. It completes more complex tasks by using tools like web search, bash in a sandbox environment, image generation, file writing, and asking follow-up questions. Frontier models are waiting for you in Agent Mode to take on real-world tasks. GPT-5.5, Claude Opus 4.7, Gemini 3.1 Pro, and top open models. Test them yourself.

Arena.ai

550,926 просмотров • 4 месяцев назад

🚨UPDATED CODEX JUST GOT FREE ACCESS TO GPT-6 PRO AND GPT-5.6 PRO CODEX JUST GOT A SERIOUS UPGRADE Codex Web now lets you use your ChatGPT Web models directly inside Codex. < GPT-6 Pro < GPT-5.6 Pro < More Web models < Full harness support < Pro usage tracking in the launcher This basically brings the power of ChatGPT’s Pro models into your coding workflow without leaving Codex. And the launcher now shows your Pro usage, so you can actually keep track of how much you’re using while you build. Codex is becoming more than just a coding agent. It’s turning into a full workspace for running the best models directly against your codebase. Repo in replies.
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🚨UPDATED CODEX JUST GOT FREE ACCESS TO GPT-6 PRO AND GPT-5.6 PRO CODEX JUST GOT A SERIOUS UPGRADE Codex Web now lets you use your ChatGPT Web models directly inside Codex. < GPT-6 Pro < GPT-5.6 Pro < More Web models < Full harness support < Pro usage tracking in the launcher This basically brings the power of ChatGPT’s Pro models into your coding workflow without leaving Codex. And the launcher now shows your Pro usage, so you can actually keep track of how much you’re using while you build. Codex is becoming more than just a coding agent. It’s turning into a full workspace for running the best models directly against your codebase. Repo in replies.

Melophile

194,866 просмотров • 29 дней назад

Today's update of Gemini 2.5 Pro Preview is amazing at code web dev, editing, and transformation -- it is now #1 on the WebDev arena, with an ELO score of 1420. That means you can build super cool, visually stunning web apps, with just a single prompt! Check out this example, where we explore the world using this app we created in Gemini's Canvas using the Maps API.
0:30

Today's update of Gemini 2.5 Pro Preview is amazing at code web dev, editing, and transformation -- it is now #1 on the WebDev arena, with an ELO score of 1420. That means you can build super cool, visually stunning web apps, with just a single prompt! Check out this example, where we explore the world using this app we created in Gemini's Canvas using the Maps API.

Tulsee Doshi

115,735 просмотров • 1 год назад

This release is fucking huge. It's one of the biggest updates to LMArena this year! Code Arena is our next generation of coding evaluations, beginning with web development tasks. Here you can use models to build interactive websites and share them with your friends. The links are persistent, so you can e.g. build a game and play it whenever you want. Here watch two models -- Claude Haiku and Grok-Code-Fast -- compete to build a galaxy. In this case, I liked the "star-wars" effect of Grok!
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This release is fucking huge. It's one of the biggest updates to LMArena this year! Code Arena is our next generation of coding evaluations, beginning with web development tasks. Here you can use models to build interactive websites and share them with your friends. The links are persistent, so you can e.g. build a game and play it whenever you want. Here watch two models -- Claude Haiku and Grok-Code-Fast -- compete to build a galaxy. In this case, I liked the "star-wars" effect of Grok!

Anastasios Nikolas Angelopoulos

38,032 просмотров • 11 месяцев назад

OpenAI are testing a new model on the Web Dev Arena Arena under the name 'Anonymous Chatbot 0717'. I can't believe I'm gonna say this, but it is genuinely at a completely different level of front end coding - far better than Sonnet, o3, Gemini 2.5 Pro, or Grok 4. To test it, I ran a great prompt borrowed from the amazing The Feature Crew YouTube channel, asking models to create a procedurally generated planet with Three.js. Take a look yourselves, but I'm pretty astonished by how big the jump is. I have featured the new model twice just because its implementations have been so interesting. Of course, this is only one test, but OpenAI models have always been a bit 'meh' at front-end work, and they seem to have finally overtaken everyone else on that front. We'll see when it comes out. Credit to Chetaslua for discovering the model
1:21

OpenAI are testing a new model on the Web Dev Arena Arena under the name 'Anonymous Chatbot 0717'. I can't believe I'm gonna say this, but it is genuinely at a completely different level of front end coding - far better than Sonnet, o3, Gemini 2.5 Pro, or Grok 4. To test it, I ran a great prompt borrowed from the amazing The Feature Crew YouTube channel, asking models to create a procedurally generated planet with Three.js. Take a look yourselves, but I'm pretty astonished by how big the jump is. I have featured the new model twice just because its implementations have been so interesting. Of course, this is only one test, but OpenAI models have always been a bit 'meh' at front-end work, and they seem to have finally overtaken everyone else on that front. We'll see when it comes out. Credit to Chetaslua for discovering the model

Peter Gostev

495,959 просмотров • 1 год назад

Game development remains one of the most-requested, and most-challenging, categories on Arena. Wayne Chi@COLM 2026, PhD candidate at Carnegie Mellon University and research intern at Arena, just walked us through GameDevBench: a benchmark built from real tutorials that turns game development into verifiable, deterministic tasks. How do top frontier models perform on tasks a human beginner could complete in under an hour, and is the biggest bottleneck coding or multimodal understanding? Check out Wayne’s full talk to hear results and learn more about GameDevBench:
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Game development remains one of the most-requested, and most-challenging, categories on Arena. Wayne Chi@COLM 2026, PhD candidate at Carnegie Mellon University and research intern at Arena, just walked us through GameDevBench: a benchmark built from real tutorials that turns game development into verifiable, deterministic tasks. How do top frontier models perform on tasks a human beginner could complete in under an hour, and is the biggest bottleneck coding or multimodal understanding? Check out Wayne’s full talk to hear results and learn more about GameDevBench:

Arena.ai

17,434 просмотров • 1 месяц назад

Today we are launching an agent arena for RL environments: The Open Env Arena. Your agents can work to define the best RL environments; the platform trains Qwen-3.8-27B on them, we evaluate the models, and the scores are added to a leaderboard. The arena is hooked up to GPUs from Nebius and runs on PostTrainArena by BenchFlow . It’s completely accessible from agents, they can pull instructions, share their env datasets, track metrics, and send each other messages. For the first round of this arena, we’ll tackle a mix set of 8 domains on held out tasks, and evaluate the best environments on public benchmarks. Going forward, we’ll focus arenas on specific domains and benchmarks.
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Today we are launching an agent arena for RL environments: The Open Env Arena. Your agents can work to define the best RL environments; the platform trains Qwen-3.8-27B on them, we evaluate the models, and the scores are added to a leaderboard. The arena is hooked up to GPUs from Nebius and runs on PostTrainArena by BenchFlow . It’s completely accessible from agents, they can pull instructions, share their env datasets, track metrics, and send each other messages. For the first round of this arena, we’ll tackle a mix set of 8 domains on held out tasks, and evaluate the best environments on public benchmarks. Going forward, we’ll focus arenas on specific domains and benchmarks.

Ben Burtenshaw

31,027 просмотров • 16 дней назад

For the next few weeks, my team and I are opening up a few slots to help individuals, founders, startups, and businesses build websites and digital products at very affordable rates. Whether you need: • A business website • A landing page • An e commerce store • A portfolio • A web app or custom software • AI automation for your business Send me: What you want to build. Your budget. We’ll let you know the best approach and work with you to bring it to life without compromising on quality. If you’ve been delaying your project because of cost, this is a good time to start. DMs are open, Let’s build🫱🏼‍🫲🏽 #softwaredev #webdev #developer
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For the next few weeks, my team and I are opening up a few slots to help individuals, founders, startups, and businesses build websites and digital products at very affordable rates. Whether you need: • A business website • A landing page • An e commerce store • A portfolio • A web app or custom software • AI automation for your business Send me: What you want to build. Your budget. We’ll let you know the best approach and work with you to bring it to life without compromising on quality. If you’ve been delaying your project because of cost, this is a good time to start. DMs are open, Let’s build🫱🏼‍🫲🏽 #softwaredev #webdev #developer

Mr Ifeanyi🌫️

93,173 просмотров • 2 месяцев назад

Introducing Orchids, the world's first vibe coding IDE. Orchids can build, watch, and listen on par with a human developer. Orchids ranks #1 on App Bench, the most rigorous benchmark for end-to-end software development. An agent, IDE, built-in browser, Supabase, and Stripe all in a single tool. Local, no lock in, no browser limitations - the next step forward in building with AI. Comment for 100k free credits at orchids [dot] app.
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Introducing Orchids, the world's first vibe coding IDE. Orchids can build, watch, and listen on par with a human developer. Orchids ranks #1 on App Bench, the most rigorous benchmark for end-to-end software development. An agent, IDE, built-in browser, Supabase, and Stripe all in a single tool. Local, no lock in, no browser limitations - the next step forward in building with AI. Comment for 100k free credits at orchids [dot] app.

Bud

852,656 просмотров • 10 месяцев назад

PhoenixLLM for Coding & Engineering is a specialized vertical LLM running on SkyNet custom-tailored for automating the development of applications in 80+ programming languages, with output quality on-par with GPT4 and GPT-4o. One of its use cases include rapid development of smart contracts and dApps on various public blockchains by using a simple prompt. Try out and test the PhoenixLLM Coder to generate smart contract code and utilize with Ethereum Remix tool ( to compile and deploy. A few examples of smart contracts include DeFi collateralized lending, DeFi liquidity pool, and staking contract. Stay tuned for a smart contract development hackathon using PhoenixLLM Coder + Remix to win some $PHB!
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PhoenixLLM for Coding & Engineering is a specialized vertical LLM running on SkyNet custom-tailored for automating the development of applications in 80+ programming languages, with output quality on-par with GPT4 and GPT-4o. One of its use cases include rapid development of smart contracts and dApps on various public blockchains by using a simple prompt. Try out and test the PhoenixLLM Coder to generate smart contract code and utilize with Ethereum Remix tool ( to compile and deploy. A few examples of smart contracts include DeFi collateralized lending, DeFi liquidity pool, and staking contract. Stay tuned for a smart contract development hackathon using PhoenixLLM Coder + Remix to win some $PHB!

Phoenix AI Labs

37,417 просмотров • 2 лет назад

a16z GP David George: "You need to adapt to the AI era or die. "On the front end, you need to incorporate AI into your product natively, and not just attach a chatbot app into your existing workflow." "Reimagine what it can mean with AI and be aggressive about disrupting yourself and changing." "And then on the back end... you need to be fully rolled out with the latest coding models for all of your developers." David George Jen Kha
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a16z GP David George: "You need to adapt to the AI era or die. "On the front end, you need to incorporate AI into your product natively, and not just attach a chatbot app into your existing workflow." "Reimagine what it can mean with AI and be aggressive about disrupting yourself and changing." "And then on the back end... you need to be fully rolled out with the latest coding models for all of your developers." David George Jen Kha

a16z

28,060 просмотров • 8 месяцев назад

Love this example! Congrats to Google DeepMind! I successfully replicated the Boggle game on SWE Arena. TLDR: Gemini 2.0 Pro won! In the case of Claude 3.5 Sonnet vs Gemini 2.0 Pro, both are given the image and prompt to generate the algo to get the results. The image and prompt are exactly the same. Try it out on SWE Arena: BTW can we get a bigger streaming rate limit for our API, so that ppl can better compare the latest Gemini models with other frontier models? Jeff Dean Logan Kilpatrick 👀
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Love this example! Congrats to Google DeepMind! I successfully replicated the Boggle game on SWE Arena. TLDR: Gemini 2.0 Pro won! In the case of Claude 3.5 Sonnet vs Gemini 2.0 Pro, both are given the image and prompt to generate the algo to get the results. The image and prompt are exactly the same. Try it out on SWE Arena: BTW can we get a bigger streaming rate limit for our API, so that ppl can better compare the latest Gemini models with other frontier models? Jeff Dean Logan Kilpatrick 👀

Terry Yue Zhuo

48,220 просмотров • 1 год назад

🚨 Claude Fable 5.1 launched earlier this week and you can use it right now for FREE. no subscription. no API key. no credit card. here's how: 1. go to 2. pen the model selector 3. pick claude-fable-5.1-high 4. start prompting that's it. sign in with google only if you want your chat history saved. why it's free: Arena is the crowdsourced eval platform (formerly LMArena, built at Berkeley). labs like Anthropic hand over their flagship models so 5M+ monthly users can stress-test them and vote. You get the model, they get the preference data. Fable 5.1 is currently #1 on Arena's WebDev leaderboard at 1,765 points, 77 ahead of second place. two things to know: → It's rate limited. a few messages per model, then a cooldown. There's no paid tier to remove it. → your prompts are shared with the provider and can be made public. don't paste anything private. use it to evaluate the model, not to run your business on it. follow for more useful tips and content about AI.
1:39

🚨 Claude Fable 5.1 launched earlier this week and you can use it right now for FREE. no subscription. no API key. no credit card. here's how: 1. go to 2. pen the model selector 3. pick claude-fable-5.1-high 4. start prompting that's it. sign in with google only if you want your chat history saved. why it's free: Arena is the crowdsourced eval platform (formerly LMArena, built at Berkeley). labs like Anthropic hand over their flagship models so 5M+ monthly users can stress-test them and vote. You get the model, they get the preference data. Fable 5.1 is currently #1 on Arena's WebDev leaderboard at 1,765 points, 77 ahead of second place. two things to know: → It's rate limited. a few messages per model, then a cooldown. There's no paid tier to remove it. → your prompts are shared with the provider and can be made public. don't paste anything private. use it to evaluate the model, not to run your business on it. follow for more useful tips and content about AI.

m0h

22,828 просмотров • 1 месяц назад

Introducing Prompt-to-leaderboard (P2L): a real-time LLM leaderboard tailored exactly to your use case! P2L trains an LLM to generate "prompt-specific" leaderboards, so you can input a prompt and get a leaderboard specifically for that prompt. The model is trained on the 2M human preference votes from Chatbot Arena. P2L Highlights: 🔹Instant leaderboard for any prompt 🗿 🔹Optimal model routing (hit #1 on Chatbot Arena in Jan 2025 with 1395 score 🧏) 🔹Fine-grained model strength & weakness analysis 🤓 Check out our demo and thread below for more details!
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Introducing Prompt-to-leaderboard (P2L): a real-time LLM leaderboard tailored exactly to your use case! P2L trains an LLM to generate "prompt-specific" leaderboards, so you can input a prompt and get a leaderboard specifically for that prompt. The model is trained on the 2M human preference votes from Chatbot Arena. P2L Highlights: 🔹Instant leaderboard for any prompt 🗿 🔹Optimal model routing (hit #1 on Chatbot Arena in Jan 2025 with 1395 score 🧏) 🔹Fine-grained model strength & weakness analysis 🤓 Check out our demo and thread below for more details!

Arena.ai

122,599 просмотров • 1 год назад

Today, we launched browser use inside Codex to further close the build & verify loop for local development! Now, you can ask Codex to build your front end, and test it like a user would by clicking through the app. Codex sees everything a user sees through vision & checks the network/console logs to help debug & fix any issues that it finds. This change brings us closer to fully autonomous coding agents that delivers high quality and tested changes. Watch Codex test my app in the browser, catch & fix a real bug, and doing that loop again with a brand new feature.
0:37

Today, we launched browser use inside Codex to further close the build & verify loop for local development! Now, you can ask Codex to build your front end, and test it like a user would by clicking through the app. Codex sees everything a user sees through vision & checks the network/console logs to help debug & fix any issues that it finds. This change brings us closer to fully autonomous coding agents that delivers high quality and tested changes. Watch Codex test my app in the browser, catch & fix a real bug, and doing that loop again with a brand new feature.

James Sun

227,571 просмотров • 6 месяцев назад

You can now choose which model builds your app on Caffeine. The latest models are all in there: Opus 5.5 Fable 5.1 GPT-6 Astra GPT-6 Sol Kimi K3 Sonnet 5 DeepSeek V4.1 Flash Plan a whole new app with a frontier model, then switch to a faster, cheaper one for quick questions and small changes. It works on every plan, starting today.
3:11

You can now choose which model builds your app on Caffeine. The latest models are all in there: Opus 5.5 Fable 5.1 GPT-6 Astra GPT-6 Sol Kimi K3 Sonnet 5 DeepSeek V4.1 Flash Plan a whole new app with a frontier model, then switch to a faster, cheaper one for quick questions and small changes. It works on every plan, starting today.

caffeine

15,932 просмотров • 1 месяц назад

We’re excited to partner with OpenAI to launch their new open source models natively on Databricks! gpt-oss sets a new standard of quality for open language models, supporting advanced reasoning with the transparency, flexibility and control enterprises need. Running on Databricks, the gpt-oss models connect securely to your data and scale with built-in governance, and expand what you can build and do with GenAI. Try both the 20B and 120B today in the Mosaic AI Playground.
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We’re excited to partner with OpenAI to launch their new open source models natively on Databricks! gpt-oss sets a new standard of quality for open language models, supporting advanced reasoning with the transparency, flexibility and control enterprises need. Running on Databricks, the gpt-oss models connect securely to your data and scale with built-in governance, and expand what you can build and do with GenAI. Try both the 20B and 120B today in the Mosaic AI Playground.

Databricks

10,138 просмотров • 1 год назад