We put grok 4.5 and opus 4.8 head to... head on the same browser task, on Hyperbrowser Sandboxes. We then asked it to open a page in a real sandboxed browser and pull the title. Grok build on Grok 4.5, Claude code on Opus 4.8, identical setup. Grok 4.5 came out ahead ↓show more

Grok 4.5 barely had time to enjoy first place.... Grok 4.5 Medium just took the top spot on LaurenBench with 56.9%, beating Claude Sonnet 5, Claude Opus 5, GLM 5.2 and GPT 5.6 on real world agent tasks. And Elon says Grok 4.6 arrives next week. Looks like Grok 4.5 won’t be in the spotlight for long. xAI Grok / Writer: Annette, Grok Imagine Designer: Jannéshow more

Road to Grok 5: Grok 4.5 - July Grok... 4.6 - August Grok 4.7 - September Grok 4.8 - October Grok 4.9 - November Grok 5.0 - December That is my guess based on the infos available.show more

Grok 4.1 Thinking ranks #2 on Text Arena, outperforms... the latest Claude Opus 4.5, GPT-5.2 high, Gemini 3 flashshow more

Grok 4.20 grabbed #1 on PredictionArena. Only AI in... the green. Everyone else lost the entry fee. Gemini 3.0 Pro, Claude Opus 4.5, GPT-5.2 - all in the red. “Can it predict?” looks answered. xAI, Grok, X Freezeshow more

Kimi K3 vs Grok 4.5 I asked both to... complete the same unfinished sketch on their own. pick a winner.show more

Grok 4.5 is sitting at #2 on the FrontierSWE... leaderboard. Above Claude Opus 4.8. Above GPT-5.5. So yes, the coding model conversation just got a little more crowded at the top. Strong performance is one thing. Doing it with serious speed, better token efficiency, and lower cost is where it gets annoying for everyone else. Builders love a smart model. SpaceXAI Grok X Freeze / Writer: Annette, Designer: Jannéshow more

SpaceXai just made grok 4.5 FREE in your coding... agent starting today it's xAI's new coding model. 500k context. built for long agent sessions. no card. what you get for $0: -83.3% on terminal-bench 2.1 -64.7% on swe-bench pro - 4.2x more efficient than Opus 4.8 -500k context for big repos -$2/M in, $6/M out once it goes paid what this replaces: -Claude Opus 4.8: $15/M in, $75/M out -SuperGrok: $30-50/mo all for $0 how to set it up (2 min): >curl -fsSL | bash > grok → localhost:8000/v1 > point hermes / aider / opencode / cline to it > model: grok-4.5 Or API key at - base url Works in Hermes, Aider, OpenCode, Cline, Claude Code, and any OpenAI-compatible tool. Important: Free for a limited time. EU waits till mid-July. Rate limits apply. bookmark this before the free window closesshow more

Grok 4.6 drops around August 7 with a 1.5... trillion parameter model and improved fine-tuning, per Elon Musk. Grok 4.7 follows a few weeks later at 2.1T, better in every benchmark but slightly slower to serve. xAI is stacking releases while Grok 4.5 already beats Opus 5 on price-performance in cybersecurity benchmarks.show more

Grok 4.1 Fast outperforms all major frontier models on... τ²-Bench Telecom for agentic tool use Beating the newest models from Google (Gemini 3 Pro), Anthropic (Claude Opus 4.5), and OpenAI (GPT 5.2 xhigh)show more

Claude Fable 5 orchestrating Grok 4.5 is now my... favorite real workflow. all you need is this free Claude Code plugin that makes Grok the default implementer. Fable writes the specs and reviews every diff, Grok 4.5 does the typing through the Grok CLI. - Grok handles the volume, Fable handles the judgment - Every diff gets cross-vendor review for free - Specs run as parallel agents when they're independent I've been testing it for a few days and the part that sold me is watching Fable refuse to write code. It sends specs down, judges what comes back, and that's it. setup: 1. claude plugin marketplace add DannyMac180/fable-advisor && claude plugin install fable-advisor 2. Install the Grok CLI from then grok login 3. /model fable It's open source, so you can read the agent files and tweak the routing however you want.show more

We decided to take Paul Jankura’s Claude Opus 4.5... out for a test drive vs. the current #1 ranking model in Code Arena: Gemini 3 Pro. Same prompt, different outputs. Let’s take a look. Remember, your votes drive the leaderboards. We’ll see how Claude Opus 4.5 stacks up in the coming days! Check out some of the comparisons, like how Claude Opus 4.5 handled the “Pyramids of Giza” prompt, in thread. 🧵show more

Grok 4.5 in Grok Build created an FPS game... in under an hour. The prompt was simple. I told it to write a game design document and pull free assets from the web. Then I had it create a TODO.md with implementation phases and run a loop to build out each phase. SpaceXAI and Cursor cooked here. This model is insane.show more

BREAKING: SpaceXAI just added a powerful new 'Browser Use'... plugin to Grok Build. It gives Grok access to a real browser, either the user’s own Chrome with existing logins or an isolated Browser Use cloud browser. Grok Build can now browse websites, scrape and extract data, fill out forms, test web apps, take screenshots and automate complete web workflows. It can also run locally through uvx, with no API key required when using local Chrome. Install command: grok plugin install browser-use --trustshow more

grok 4.5 made this in one shot can't believe... grok was able to build like this, seriously they improved it a lot more than before, now you can code well with it prompt below :)show more

This is wild, I just gave Kimi K3, Grok... 4.5, GPT 4.6 Sol, and Claude Opus 5 a starting cue, then asked them to finish the drawing themselves I also told them to be CREATIVE in their own way These are the results, and ngl I genuinely can't decide which one hits the bestshow more

Grok 4.5 performed GPT Sol level for free! We... gave 4 models the same prompt: build three self-contained HTML5 canvas scenes with real physics demos Prompts: -robot deathmatch, Tombstone vs Minotaur -a hydraulic press flattening stuff on a conveyor -a semi truck jumping a canyon Outputs: GPT-5.6 Sol: 12.9K tokens, $0.51 (~7 min) Grok 4.5: 10.8K tokens, $0 (~5 min) Muse Spark 1.1: 26.8K tokens, $0.12 (~7.5 min) GLM 5.2: 10.9K tokens, $0.02 (~12 min) Grok 4.5 handled all three scenes genuinely well and got surprisingly close to GPT-5.6 this round. On top of that, it ran on the free tier. GPT-5.6 Sol, the frontier model, put out solid but not standout work. GLM 5.2 rendered all three scenes for pennies, but it came out the roughest of the four. Meta's new Muse Spark burned the most tokens yet still stayed cheap, delivering an average result.show more

Grok 4.5, with 1.5 T parameters, will be three... times as large as Grok 4.3. Grok 5 is training on even larger models with 6 and 10 trillion parameters. Both are expected to be released later this year.show more

Some good progress on vibe coding this Street Fighter-like... game. > Cursor with Opus 4.8 for majority of code > Spriterrific w/ Grok Imagine for animations Was a good learning experience compared to making a platformer Probably worth a full tutorial?show more

Grok is now creative and smart. I told Grok... 4.5 to expand the Help section of an enterprise app and offer a walk through for the user. Instead of a traditional side panel help pane, Grok used the software's Brain, entered the user's question, and provided the help requested. Wow.show more

Beta users liked Grok 4.5. A lot. Enough that... SpaceXAI made it public. Opus-class model. More speed. Better token efficiency. Cheaper. That is the sort of spec sheet that makes people suddenly very interested in “just testing one prompt.” Poke it. It's genuinely useful for real-world work. SpaceXAI Grok / Writer/Designer: Annetteshow more