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Great to see this formalized Fable 5 is really great at refactoring / optimizing PRs, but often I want to understand why Rather than asking follow ups at $10 / $50 per million tokens, I hand these off to Cursor Composer 2.5 (5% of the cost) Recently, I asked...

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matt palmer

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22,035 views • 2 months ago •via X (Twitter)

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omg... Fable 5 is back and it's so good I asked Fable to create a game called: The race for Super Intelligence... After 4 prompts, and $173 worth of tokens Fable 5 created this game. (Prompt Below)
1:34

omg... Fable 5 is back and it's so good I asked Fable to create a game called: The race for Super Intelligence... After 4 prompts, and $173 worth of tokens Fable 5 created this game. (Prompt Below)

Riley Brown

516,519 views • 1 month ago

GPT-5.6 vs GPT-5.5 on my custom spaceship prompt. I gave both models the exact same custom prompt. This is also the same prompt I previously gave to Fable 5. For context, GPT-5.6 Pro worked for 87 minutes, while GPT-5.5 Extra High worked for 34 minutes and 42 seconds. As I’ve said before, based on great authority GPT-5.6 will be an incremental/soldi improvement over GPT-5.5, not a “Fable killer.” My rough expectation has been that it would trade blows with Fable 5 on some benchmarks, maybe win around half depending on the category, but not clearly surpass it overall. And again fable five will have bigger model smell, but this was expected. After testing this coding output, that view feels pretty accurate. GPT-5.6 is clearly better than GPT-5.5 in several visual areas. The lighting, shading, chairs, object details, and exterior of the spaceship looked noticeably stronger. The scene was also easier to test. I do want to give GPT-5.5 credit though. It built out the rooms much much better and the planets looked better than GPT-5.6’s. It was also interesting that both GPT-5.5 and GPT-5.6 produced better-looking planets than Fable 5 in this specific test. The downside with GPT-5.5 was stability. The game was much glitchier and harder to test compared to GPT-5.6. But when it comes to the core of the demo, which is the spaceship itself, Fable 5 still beat both models pretty comfortably. GPT-5.6 is impressive, but from this test, it looks exactly like what I expected which was a meaningful incremental improvement over GPT-5.5, at least for indie game demos, but not something that replaces Fable 5. In collaboration with Chetaslua
0:42

GPT-5.6 vs GPT-5.5 on my custom spaceship prompt. I gave both models the exact same custom prompt. This is also the same prompt I previously gave to Fable 5. For context, GPT-5.6 Pro worked for 87 minutes, while GPT-5.5 Extra High worked for 34 minutes and 42 seconds. As I’ve said before, based on great authority GPT-5.6 will be an incremental/soldi improvement over GPT-5.5, not a “Fable killer.” My rough expectation has been that it would trade blows with Fable 5 on some benchmarks, maybe win around half depending on the category, but not clearly surpass it overall. And again fable five will have bigger model smell, but this was expected. After testing this coding output, that view feels pretty accurate. GPT-5.6 is clearly better than GPT-5.5 in several visual areas. The lighting, shading, chairs, object details, and exterior of the spaceship looked noticeably stronger. The scene was also easier to test. I do want to give GPT-5.5 credit though. It built out the rooms much much better and the planets looked better than GPT-5.6’s. It was also interesting that both GPT-5.5 and GPT-5.6 produced better-looking planets than Fable 5 in this specific test. The downside with GPT-5.5 was stability. The game was much glitchier and harder to test compared to GPT-5.6. But when it comes to the core of the demo, which is the spaceship itself, Fable 5 still beat both models pretty comfortably. GPT-5.6 is impressive, but from this test, it looks exactly like what I expected which was a meaningful incremental improvement over GPT-5.5, at least for indie game demos, but not something that replaces Fable 5. In collaboration with Chetaslua

Chris

250,405 views • 1 month ago

GPT-5.6 Sol vs Fable 5. I put both through my hardest frontend test: a 3D globe dashboard. Same prompt. Same reference image. Sol on the left. Fable on the right. GPT-5.6 Sol is a major leap from 5.5. Fable 5 still wins on spacing, balance, and first-pass polish. For me, Sol comes close at half the cost.
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GPT-5.6 Sol vs Fable 5. I put both through my hardest frontend test: a 3D globe dashboard. Same prompt. Same reference image. Sol on the left. Fable on the right. GPT-5.6 Sol is a major leap from 5.5. Fable 5 still wins on spacing, balance, and first-pass polish. For me, Sol comes close at half the cost.

Kai

198,845 views • 1 month ago

Did GPT-5.6 Sol beat Fable 5 for frontend work? GPT-5.5 got roasted for its frontend. Had to test the new one. Same challenge: one prompt + one reference image → Three.js 3D globe dashboard. Verdict: Fable 5 still edges it out. But at half the cost, GPT-5.6 Sol is a serious option now.
0:26

Did GPT-5.6 Sol beat Fable 5 for frontend work? GPT-5.5 got roasted for its frontend. Had to test the new one. Same challenge: one prompt + one reference image → Three.js 3D globe dashboard. Verdict: Fable 5 still edges it out. But at half the cost, GPT-5.6 Sol is a serious option now.

Kai

21,502 views • 1 month ago

Anthropic just dropped a 45-minute workshop on how to build agents with Fable 5 for 20% of it cost. "give Fable very difficult tasks - that's when you actually see the value" • 10% → 1:40 - full capabilities of Fable 5 • 30% → 11:13 - how to build evals with Fable • 55% → 13:29 - when to use Fable & Sonnet • 80% → 17:23 -how to use Fable 50% cheaper • 100% → 18:03 - Fable 5 Agents orchestration patterns This is worth more then 100 youtube with on how to use Fable 5 Watch today - then read the full playbook below ↓
45:00

Anthropic just dropped a 45-minute workshop on how to build agents with Fable 5 for 20% of it cost. "give Fable very difficult tasks - that's when you actually see the value" • 10% → 1:40 - full capabilities of Fable 5 • 30% → 11:13 - how to build evals with Fable • 55% → 13:29 - when to use Fable & Sonnet • 80% → 17:23 -how to use Fable 50% cheaper • 100% → 18:03 - Fable 5 Agents orchestration patterns This is worth more then 100 youtube with on how to use Fable 5 Watch today - then read the full playbook below ↓

Movez

16,019 views • 11 days ago

Day 3 of 5 building with Claude Fable 5 before it goes paid. Today: an audit of everything you have already made. 1. Fable 5 reads back through all your past Claude chats 2. It flags what worked, what you dropped, and where value is going to waste 3. It ranks the top 10 fixes by effort against impact 4. Then it hands you a concrete plan for the top 3 5. Run that plan on a cheaper model and save Fable 5 for the thinking Comment FABLE for the full guide. Make sure you follow me so I can DM it to you. Day 4 tomorrow.
0:52

Day 3 of 5 building with Claude Fable 5 before it goes paid. Today: an audit of everything you have already made. 1. Fable 5 reads back through all your past Claude chats 2. It flags what worked, what you dropped, and where value is going to waste 3. It ranks the top 10 fixes by effort against impact 4. Then it hands you a concrete plan for the top 3 5. Run that plan on a cheaper model and save Fable 5 for the thinking Comment FABLE for the full guide. Make sure you follow me so I can DM it to you. Day 4 tomorrow.

Charlie Hills

13,617 views • 1 month ago

This test shows clearly why GPT 5.6 Sol wins I asked the simplest prompt ever : > Create a gmail clone, the nearest possible to the real gmail ui You can see the result, GPT 5.6 Sol and Fable make a 100% perfect But here's the price difference: → GPT 5.6 Terra: $1.04 - 8 minutes → GPT 5.6 Luna: $0.44 - 10 minutes → GPT 5.6 Sol: $6.72 - 20 minutes → Claude Fable 5: $25.09 - 40 minutes Fable is 3.7x more expensive than Sol for "the same result"
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This test shows clearly why GPT 5.6 Sol wins I asked the simplest prompt ever : > Create a gmail clone, the nearest possible to the real gmail ui You can see the result, GPT 5.6 Sol and Fable make a 100% perfect But here's the price difference: → GPT 5.6 Terra: $1.04 - 8 minutes → GPT 5.6 Luna: $0.44 - 10 minutes → GPT 5.6 Sol: $6.72 - 20 minutes → Claude Fable 5: $25.09 - 40 minutes Fable is 3.7x more expensive than Sol for "the same result"

Melvyn • Builder

22,254 views • 1 month ago

I ported Open Brush / Tilt Brush to the open web with IWSDK. It took my agents 29 hours and 3 minutes — I wrote 0 lines of code. GPT 5.5 carried the first stretch; Fable 5 handled the harder work at the end. I did it to prove a point 🧵
0:46

I ported Open Brush / Tilt Brush to the open web with IWSDK. It took my agents 29 hours and 3 minutes — I wrote 0 lines of code. GPT 5.5 carried the first stretch; Fable 5 handled the harder work at the end. I did it to prove a point 🧵

Felix Z

19,078 views • 1 month ago

Fable 5 is insanely good at decoding the first letter of each word and guessing what I'm trying to say me: "iattfloewitsaiwytgwiw" Fable 5: "I am typing the first letter of every word in this sentence and I want you to guess what I wrote"
0:49

Fable 5 is insanely good at decoding the first letter of each word and guessing what I'm trying to say me: "iattfloewitsaiwytgwiw" Fable 5: "I am typing the first letter of every word in this sentence and I want you to guess what I wrote"

Josh

289,097 views • 1 month ago

We are officially in the era where one prompt can ship a complete playable game in <50 bucks! Asked Claude Fable 5 and GPT 5.6 Sol to clone Terraria, max effort level Both are playable and offer a smooth experience GPT 5.6 Sol did it at roughly 1/4 the cost and in 2/3 the runtime: - GPT 5.6 Sol: ~$35, ~1h 20m - Claude Fable 5: ~$120, ~2h Tho Fable still produced the strongest results 🥲
1:15

We are officially in the era where one prompt can ship a complete playable game in <50 bucks! Asked Claude Fable 5 and GPT 5.6 Sol to clone Terraria, max effort level Both are playable and offer a smooth experience GPT 5.6 Sol did it at roughly 1/4 the cost and in 2/3 the runtime: - GPT 5.6 Sol: ~$35, ~1h 20m - Claude Fable 5: ~$120, ~2h Tho Fable still produced the strongest results 🥲

GMI Cloud

130,096 views • 1 month ago

Fable 5 is BACK on AI/ML API We gave Sonnet 5 and Fable 5 the exact same prompt and same real flight dataset of 70 airports and 435 routes pulled from flightradar. Then asked each one to turn it into a cinematic 3D globe as a single HTML file. Outputs: Sonnet 5: 9.8k tokens, $0.10 Fable 5: 15k tokens, $0.77 Sonnet 5 came in 87% cheaper. It drew the routes, but the planet underneath them barely exists: a dark wireframe with the arcs floating in space. Fable 5 built an actual Earth: textured oceans, ice caps, atmospheric glow. Mythos-class models are truly a masterpiece. Docs, guides & setup below:
0:37

Fable 5 is BACK on AI/ML API We gave Sonnet 5 and Fable 5 the exact same prompt and same real flight dataset of 70 airports and 435 routes pulled from flightradar. Then asked each one to turn it into a cinematic 3D globe as a single HTML file. Outputs: Sonnet 5: 9.8k tokens, $0.10 Fable 5: 15k tokens, $0.77 Sonnet 5 came in 87% cheaper. It drew the routes, but the planet underneath them barely exists: a dark wireframe with the arcs floating in space. Fable 5 built an actual Earth: textured oceans, ice caps, atmospheric glow. Mythos-class models are truly a masterpiece. Docs, guides & setup below:

AI/ML API

498,492 views • 1 month ago

The new SpaceX-Cursor model is going to be insane. It is being trained from scratch, unlike previous Composer models, which were built off Kimi. This new model is Elon’s attempt to get back in the AI race, and he might rejoin as the frontrunner. Composer 2.5 is already a world-class model, only losing to models like GPT-5.5, Opus 4.8, and Fable 5. Grok Composer 3, with SpaceX’s massive compute and xAI’s team, could become the best AI model on the planet. Elon is back.
5:01

The new SpaceX-Cursor model is going to be insane. It is being trained from scratch, unlike previous Composer models, which were built off Kimi. This new model is Elon’s attempt to get back in the AI race, and he might rejoin as the frontrunner. Composer 2.5 is already a world-class model, only losing to models like GPT-5.5, Opus 4.8, and Fable 5. Grok Composer 3, with SpaceX’s massive compute and xAI’s team, could become the best AI model on the planet. Elon is back.

Ali Romman

119,837 views • 2 months ago

The truth about 5.6 sol after using it all day : The hype is overblown. Sort of. The benchmarks, and the commentary on X convinced me we were receiving AGI that runs at hyper speed, and is insanely cheap. in reality, 5.6 is built on the same spud pretraining as 5.5 this means its a nice bump, but not the opus to fable 5 LEAP in intelligence we recently experienced from anthropic. 5.6 is 2x times cheaper than fable on paper, and actually 3x cheaper when you look at actual task execution because of its token efficiency. BUT on swe bench where the models have to fix actual github bugs it falls behind fable pretty big. For vibecoders like myself this means I will be using 5.6 sol as a worker agent for Fable 5 to orchestrate alongside grok 4.5 I love this new era.
7:29

The truth about 5.6 sol after using it all day : The hype is overblown. Sort of. The benchmarks, and the commentary on X convinced me we were receiving AGI that runs at hyper speed, and is insanely cheap. in reality, 5.6 is built on the same spud pretraining as 5.5 this means its a nice bump, but not the opus to fable 5 LEAP in intelligence we recently experienced from anthropic. 5.6 is 2x times cheaper than fable on paper, and actually 3x cheaper when you look at actual task execution because of its token efficiency. BUT on swe bench where the models have to fix actual github bugs it falls behind fable pretty big. For vibecoders like myself this means I will be using 5.6 sol as a worker agent for Fable 5 to orchestrate alongside grok 4.5 I love this new era.

Max Blade

36,764 views • 1 month ago

A CHINESE GIRL USED FABLE 5 TO BUILD A GAME THAT TURNS YOUR HAND INTO WATER it's for meditation you move your hand, the water moves with it that's the whole game what's running under the hood: > Fable 5 built the entire interaction logic > meshy turned text into the 3D water world > three.js and webGL render everything live in your browser > mediapipe tracks your hand through the camera alone whole thing takes 3-5 minutes and 300+ people already tried it she built this as a way to breathe for 5 minutes ended up making one of the coolest things anyone's done with Fable 5 if you wanna see what else Fable 5 can do full guide below
1:23

A CHINESE GIRL USED FABLE 5 TO BUILD A GAME THAT TURNS YOUR HAND INTO WATER it's for meditation you move your hand, the water moves with it that's the whole game what's running under the hood: > Fable 5 built the entire interaction logic > meshy turned text into the 3D water world > three.js and webGL render everything live in your browser > mediapipe tracks your hand through the camera alone whole thing takes 3-5 minutes and 300+ people already tried it she built this as a way to breathe for 5 minutes ended up making one of the coolest things anyone's done with Fable 5 if you wanna see what else Fable 5 can do full guide below

Madni Aghadi

13,289 views • 1 month ago

Claude Fable 5 is best used as an orchestrator that does the heavy reasoning and delegates token intensive but simpler tasks to cheaper models. 'fable-advisor' is your free and open-source plugin that does exactly that. New in fable-advisor: > A directive to Fable to minimize its own token usage (works surprisingly well) > GPT-5.5 as an implementer sub-agent via the Codex CLI (uses your ChatGPT sub so you don't pay extra) How to use it: 1. claude plugin marketplace add DannyMac180/fable-advisor && claude plugin install fable-advisor 2. /model fable
0:27

Claude Fable 5 is best used as an orchestrator that does the heavy reasoning and delegates token intensive but simpler tasks to cheaper models. 'fable-advisor' is your free and open-source plugin that does exactly that. New in fable-advisor: > A directive to Fable to minimize its own token usage (works surprisingly well) > GPT-5.5 as an implementer sub-agent via the Codex CLI (uses your ChatGPT sub so you don't pay extra) How to use it: 1. claude plugin marketplace add DannyMac180/fable-advisor && claude plugin install fable-advisor 2. /model fable

Dan McAteer

56,732 views • 1 month ago

We tested Kimi K3 against Claude Fable 5 on 3D modeling and animation Asked both to recreate the Millennium Falcon from Star Wars in 1) pixel style 2) original style. Both are on Max effort. Kimi K3 took a bit longer than Fable 5 to generate, but came in ~1/3 cheaper on the 1st test, and less than half the cost on the 2nd. Interestingly, Kimi K3 handled the details at the same level as Fable 5 on the original creation, yet it wasn't at Fable's level for the pixel style. Test 1 (Pixel) Kimi K3: 1hr 11min · $14.5 Fable 5: 49min · $21 Test 2 (Original) Kimi K3: 1hr 17min · $19.3 Fable 5: 1hr 5min · $47.2
0:40

We tested Kimi K3 against Claude Fable 5 on 3D modeling and animation Asked both to recreate the Millennium Falcon from Star Wars in 1) pixel style 2) original style. Both are on Max effort. Kimi K3 took a bit longer than Fable 5 to generate, but came in ~1/3 cheaper on the 1st test, and less than half the cost on the 2nd. Interestingly, Kimi K3 handled the details at the same level as Fable 5 on the original creation, yet it wasn't at Fable's level for the pixel style. Test 1 (Pixel) Kimi K3: 1hr 11min · $14.5 Fable 5: 49min · $21 Test 2 (Original) Kimi K3: 1hr 17min · $19.3 Fable 5: 1hr 5min · $47.2

GMI Cloud

80,618 views • 1 month ago

Claude fable 5 is operating in a completely different dimension 🤯 Compared it with Claude Opus 4.8, Gemini 3.1 Pro, and GPT 5.5, the visual gap is insane. From 3D fluid dynamics to volumetric animation and complex physics, Fable 5 crushes the game. It’s not even close.
0:30

Claude fable 5 is operating in a completely different dimension 🤯 Compared it with Claude Opus 4.8, Gemini 3.1 Pro, and GPT 5.5, the visual gap is insane. From 3D fluid dynamics to volumetric animation and complex physics, Fable 5 crushes the game. It’s not even close.

GMI Cloud

320,134 views • 2 months ago

Fable 5 is GREAT at design... Especially when its connected to a Figma-Like Canvas. Here's a complete guide for using Claude Code with Fable 5, connected to the Agent Native version of Figma, called Paper. This workflow works with Cursor, Codex, Devin, or any other agent platform. 00:00 - Intro 01:41 - Set up Claude Code x Paper Connection 04:14 - Creating YouTube Thumbnails 10:21 - Instagram Graphics with text and overlays 16:33 - Creating Presentations with Fable 5 21:22 - Converting Designs into a site on the internet
23:58

Fable 5 is GREAT at design... Especially when its connected to a Figma-Like Canvas. Here's a complete guide for using Claude Code with Fable 5, connected to the Agent Native version of Figma, called Paper. This workflow works with Cursor, Codex, Devin, or any other agent platform. 00:00 - Intro 01:41 - Set up Claude Code x Paper Connection 04:14 - Creating YouTube Thumbnails 10:21 - Instagram Graphics with text and overlays 16:33 - Creating Presentations with Fable 5 21:22 - Converting Designs into a site on the internet

Riley Brown

73,064 views • 1 month ago

FREE CLAUDE FABLE 5 and almost nobody knows this trick Anthropic recently released their most capable model ever - the first Mythos-class model available to the public normally it's $10/$50 per million tokens but there's a hack: GitLab just added Fable 5 to Duo Agent Platform - across ALL tiers, including free trial the setup: 1/ register a GitLab account: 2/ start the free GitLab Duo trial 3/ Fable 5 is live through their AI Gateway 4/ done - Mythos-class model, $0 why Fable 5 is worth the hype: 1/ 80.3% SWE-Bench Pro - 11 points ahead of the next best model 2/ multi-DAY autonomous runs without losing the plot 3/ single-pass implementations of systems that took days of iteration 4/ Karpathy called it 'a major-version-bump-deserving step change' also free on Claude Pro/Max/Team until June 22 - after that it's usage credits you have a limited window to run the most capable public model on the planet for FREE
0:22

FREE CLAUDE FABLE 5 and almost nobody knows this trick Anthropic recently released their most capable model ever - the first Mythos-class model available to the public normally it's $10/$50 per million tokens but there's a hack: GitLab just added Fable 5 to Duo Agent Platform - across ALL tiers, including free trial the setup: 1/ register a GitLab account: 2/ start the free GitLab Duo trial 3/ Fable 5 is live through their AI Gateway 4/ done - Mythos-class model, $0 why Fable 5 is worth the hype: 1/ 80.3% SWE-Bench Pro - 11 points ahead of the next best model 2/ multi-DAY autonomous runs without losing the plot 3/ single-pass implementations of systems that took days of iteration 4/ Karpathy called it 'a major-version-bump-deserving step change' also free on Claude Pro/Max/Team until June 22 - after that it's usage credits you have a limited window to run the most capable public model on the planet for FREE

kaize

24,430 views • 2 months ago

Designed this site in Fable 5 with just a few prompts. And no, this is not a lame post where I attach my actual (not AI) work on an AI post to get views by making fun of a launch. This is actually Fable 5, as you can clearly see (with some of the elements that scream AI generated). But man is it doing a great job!
0:22

Designed this site in Fable 5 with just a few prompts. And no, this is not a lame post where I attach my actual (not AI) work on an AI post to get views by making fun of a launch. This is actually Fable 5, as you can clearly see (with some of the elements that scream AI generated). But man is it doing a great job!

Asaad Mahmood - The Small Square

107,162 views • 2 months ago