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SITUATION EXPLAINED: Kimi K3 just beat Fable on a major coding benchmark, at a fraction of the price. • Kimi K3 beat Fable on Frontend Code Arena • The gap between Kimi and Fable is bigger than the gap between Fable and Sol • It also smashes Opus outright,... while being priced the same as Sonnet, $3/$15 per million tokens • Sonnet 5 High currently sits in 10th place on this leaderboard at that same price point • The generational jump is dramatic: Kimi K2.6 ranked 18th on this benchmark, K3 jumped 17 spots to take the top spot • K3 ranked #1 in 6 of 7 tested domains: brand and marketing, reference-based design, data and analytics, consumer products, simulations, and content creation tools, it placed #2, only in gaming, behind Fable • Full model weights are set to release July 27th Theo Jaffee: "Imagine if Anthropic were a public company today, their stock would be down 20%, maybe more, enterprises are probably not gonna be spending $10 and $50 on Fable when they can instead be spending $3 and $15 on Kimi K3."show more

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132,930 views • 3 months ago •via X (Twitter)

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15 Comments

John Hutton3 months ago

Cue Anthropic's call for more AI regulation.

Ike Orizu3 months ago

At this point Fable is definitely going to be on the subscription plans and no longer exclusive to api usage

nisten3 months ago

ehhh,it's ok it's not bad in actual use, still "opus class" tho imo

Æ3 months ago

5.6 is a far better than fable. Zai and Kimi are playing for 2nd. 4.7 max is second right now

SCIFI3 months ago

God shes hot

David Goldstein3 months ago

this is crazy

Whatever — e/acc3 months ago

AGI by year end at this rate.

Bruce Monaco3 months ago

You think enterprises trust Chinese software companies with their security? Have you guys ever actually talked to a real end-user in enterprise AI ☠️😂

Vimi3 months ago

Price-to-performance ratio is the real story here regardless of who's on top this week. Competition pushing costs down is good for everyone building with these tools

Sage3 months ago

Thanks China.

Daniel Boone3 months ago

what harness to use with this? OpenCode?

RiseOfWampus3 months ago

And the reason why #SovereignAI is outperforming #ExtractiveAI:

M3 months ago

Totally misleading

Pramod Agrawal3 months ago

And people would want to own the stack above the model.

Jason傑森 🇭🇰 | 🛠️3 months ago

这基准撕开代差了啊

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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

81,203 views • 3 months ago

Kimi K3 beating Fable and Sol on price and quality. Command Code's internal flappy bench results are in. Really impressed with the results. For Kimi K3 we set the gameplay to hard while Fable 5 and GPT-5.6 Sol were set to easier. Cost breakdown: • Kimi K3: $0.024 •Fable 5: $0.42 •GPT-5.6 Sol: $0.15 Ranking based on DX & features: •Kimi K3: 8/10 •Fable 5: 7.5/10 • GPT-5.6 Sol: 7/10 GPT 5.6 Sol max can definitely go on longer and wins the game overall, but that's something different. Grok 4.5 beats GPT 5.6 Sol on that, lol.Mm-hmm.

Kimi K3 beating Fable and Sol on price and quality. Command Code's internal flappy bench results are in. Really impressed with the results. For Kimi K3 we set the gameplay to hard while Fable 5 and GPT-5.6 Sol were set to easier. Cost breakdown: • Kimi K3: $0.024 •Fable 5: $0.42 •GPT-5.6 Sol: $0.15 Ranking based on DX & features: •Kimi K3: 8/10 •Fable 5: 7.5/10 • GPT-5.6 Sol: 7/10 GPT 5.6 Sol max can definitely go on longer and wins the game overall, but that's something different. Grok 4.5 beats GPT 5.6 Sol on that, lol.Mm-hmm.

Ahmad Awais

255,891 views • 3 months ago

Kimi K3 just beat Fable 5 on the BridgeBench Horror House game test. I did not expect this at all. Kimi K3 is better than Fable 5 at game development and UI design. The two things Fable 5 was supposed to own. The 5x price increase suddenly makes sense.

Kimi K3 just beat Fable 5 on the BridgeBench Horror House game test. I did not expect this at all. Kimi K3 is better than Fable 5 at game development and UI design. The two things Fable 5 was supposed to own. The 5x price increase suddenly makes sense.

BridgeMind

149,709 views • 3 months ago

Kimi K3 vs Fable 5. Same prompt and reference. 3D globe dashboard. Kimi left, Fable right. To me, Kimi's UI fidelity is a touch better. The globe looks better too, with richer textures and smoother motion. This task: ~$3 with Kimi, ~$15 with Fable. I'd pick Kimi k3 for frontend work.

Kimi K3 vs Fable 5. Same prompt and reference. 3D globe dashboard. Kimi left, Fable right. To me, Kimi's UI fidelity is a touch better. The globe looks better too, with richer textures and smoother motion. This task: ~$3 with Kimi, ~$15 with Fable. I'd pick Kimi k3 for frontend work.

Kai

227,033 views • 3 months ago

I WAS WRONG, FABLE-5.1 MIGHT ACTUALLY BE THE BEST MODEL TO EXIST ON THIS PLANET FOR FRONTEND TOO 😭 Tried recreating the exact same game with Fable-5.1 and Kimi K3. Fable-5.1 outclassed Kimi K3 on UI and gameplay. Smoother mechanics, better interactions, and noticeably more polished overall. Kimi was still competitive, especially with way fewer jitters during gameplay. Cost: - Kimi K3: ~$11 - Fable-5.1: ~$18 That’s ~60% more cost for Fable, but the quality difference was actually noticeable. Kimi is still ridiculously competitive for the price.

I WAS WRONG, FABLE-5.1 MIGHT ACTUALLY BE THE BEST MODEL TO EXIST ON THIS PLANET FOR FRONTEND TOO 😭 Tried recreating the exact same game with Fable-5.1 and Kimi K3. Fable-5.1 outclassed Kimi K3 on UI and gameplay. Smoother mechanics, better interactions, and noticeably more polished overall. Kimi was still competitive, especially with way fewer jitters during gameplay. Cost: - Kimi K3: ~$11 - Fable-5.1: ~$18 That’s ~60% more cost for Fable, but the quality difference was actually noticeable. Kimi is still ridiculously competitive for the price.

aditya

370,017 views • 2 months ago

I tested Fable 5.1 vs Kimi K3 I gave 3 same prompts to both, here are the results IMO, both created beautiful scenes, but the color picking problem is still there in Fable 5.1. Kimi K3 is better at this. Fable: ~$12/scene | Kimi: <$5/scene More tests coming up

I tested Fable 5.1 vs Kimi K3 I gave 3 same prompts to both, here are the results IMO, both created beautiful scenes, but the color picking problem is still there in Fable 5.1. Kimi K3 is better at this. Fable: ~$12/scene | Kimi: <$5/scene More tests coming up

Bhavy☄️

81,743 views • 2 months ago

Kimi K3 vs GPT-5.6 Sol. I reused the 3D globe test from Kimi vs Fable 5. Same prompt. Same reference image. Kimi K3 left. GPT-5.6 Sol right. Kimi edges out Sol on UI fidelity and globe realism. At current API prices, Kimi is about 50% cheaper. For frontend work, it's my pick.

Kimi K3 vs GPT-5.6 Sol. I reused the 3D globe test from Kimi vs Fable 5. Same prompt. Same reference image. Kimi K3 left. GPT-5.6 Sol right. Kimi edges out Sol on UI fidelity and globe realism. At current API prices, Kimi is about 50% cheaper. For frontend work, it's my pick.

Kai

15,769 views • 3 months ago

Kivine, a new model on Arena.ai, is potentially an upcoming Kimi K3 model. I got lucky and caught a comparison between Fable 5 and Kimi K3 in the Universe simulation prompt. > Fable 5 finished faster, and most UX components were more robust and easy to use. > Kimi.ai K3 was much more complex and visually appealing. At some point, if you select a planet and set the speed to x100, it will spin you around in the 1st-person pov. It seems like they are very close 👀

Kivine, a new model on Arena.ai, is potentially an upcoming Kimi K3 model. I got lucky and caught a comparison between Fable 5 and Kimi K3 in the Universe simulation prompt. > Fable 5 finished faster, and most UX components were more robust and easy to use. > Kimi.ai K3 was much more complex and visually appealing. At some point, if you select a planet and set the speed to x100, it will spin you around in the 1st-person pov. It seems like they are very close 👀

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73,751 views • 3 months ago

Kimi K3 just 3 shotted a whole walkable voxel town with drivable cars — Voxelville, around $3.24 in API usage. The same token cost would be $10.80 with Fable 5 and $6 with GPT 5.6 Sol. Fable 5 built its own Maplewood, GPT 5.6 Sol built Willowwick, but on price/quality Kimi K3 just cooked both of them. The era of free indie game development is closer than you think!

Kimi K3 just 3 shotted a whole walkable voxel town with drivable cars — Voxelville, around $3.24 in API usage. The same token cost would be $10.80 with Fable 5 and $6 with GPT 5.6 Sol. Fable 5 built its own Maplewood, GPT 5.6 Sol built Willowwick, but on price/quality Kimi K3 just cooked both of them. The era of free indie game development is closer than you think!

Kirill

65,197 views • 3 months ago

Claude Fable 5 vs Kimi K3 someone built an interactive 3D globe of 30 years of internet history with Fable 5. I rebuilt the same thing with Kimi K3 in 1.5 hours. play the 1990–2024 timelapse. watch every country cross from 10% to 50% online. reveal the submarine cables. compare nine data layers. drill into any country. a full interactive data viz — the kind that used to take a team weeks — for the price of lunch. Author: userluke Github: Fable 5: Kimi K3: K3 dropped this week: 2.8 trillion parameters. full Kimi K3 article below.

Claude Fable 5 vs Kimi K3 someone built an interactive 3D globe of 30 years of internet history with Fable 5. I rebuilt the same thing with Kimi K3 in 1.5 hours. play the 1990–2024 timelapse. watch every country cross from 10% to 50% online. reveal the submarine cables. compare nine data layers. drill into any country. a full interactive data viz — the kind that used to take a team weeks — for the price of lunch. Author: userluke Github: Fable 5: Kimi K3: K3 dropped this week: 2.8 trillion parameters. full Kimi K3 article below.

Kirill

40,738 views • 3 months ago

Claude Fable 5 vs Kimi K3 — same 3D build, 3.3x cheaper. someone prototyped a 3D stadium seat-view picker with Fable 5 — preview exactly what you'll see from your seat before buying a ticket. I rebuilt the same thing with Kimi K3 in two hours, at 3.3x lower cost. no more static seat maps. pick a seat, see the actual view in 3D, then buy. works for cinemas, concerts, cricket grounds, Wimbledon — any venue. K3 dropped this week: 2.8 trillion parameters, open weights July 27. 3D is the future, and it just got a lot cheaper to build. Live Fable 5: Live Kimi K3: Code: full Kimi K3 breakdown below.

Claude Fable 5 vs Kimi K3 — same 3D build, 3.3x cheaper. someone prototyped a 3D stadium seat-view picker with Fable 5 — preview exactly what you'll see from your seat before buying a ticket. I rebuilt the same thing with Kimi K3 in two hours, at 3.3x lower cost. no more static seat maps. pick a seat, see the actual view in 3D, then buy. works for cinemas, concerts, cricket grounds, Wimbledon — any venue. K3 dropped this week: 2.8 trillion parameters, open weights July 27. 3D is the future, and it just got a lot cheaper to build. Live Fable 5: Live Kimi K3: Code: full Kimi K3 breakdown below.

Kirill

207,659 views • 3 months ago

Fable 5.1 vs Kimi K3 Tested both models with the same prompt at the highest reasoning level available. > Fable took 18 minutes to complete this test and cost $12.60 > Kimi K3 took 10 minutes and cost around $6.95 Which one wins here?

Fable 5.1 vs Kimi K3 Tested both models with the same prompt at the highest reasoning level available. > Fable took 18 minutes to complete this test and cost $12.60 > Kimi K3 took 10 minutes and cost around $6.95 Which one wins here?

Bhavy☄️

148,798 views • 2 months ago

Kimi K3 passed Fable 5 on Code Arena just 6 weeks after Fable's release, landing #1 in 6 of 7 frontend domains. We sat down with Arena CEO and co-founder Anastasios Nikolas Angelopoulos for a rapid fire conversation on what the data from real-world use tells us 👇 0:00 Biggest release of the year, or overreaction? 0:33 Kimi K3 beats Fable on Code Arena: verifying the votes 1:35 1679 points: a 17-place jump from K2.6 2:37 #1 in 6 of 7 frontend domains — but still #2 in gaming 3:15 Permanent shift or snapshot? Labs distilling Chinese models 4:23 Regulating Chinese models: the case for and against 6:30 $3 in, $15 out: open source is no longer 10% of the price 7:30 If you're Anthropic or OpenAI, what's your move? 8:09 How long before the leaderboard flips again?

Kimi K3 passed Fable 5 on Code Arena just 6 weeks after Fable's release, landing #1 in 6 of 7 frontend domains. We sat down with Arena CEO and co-founder Anastasios Nikolas Angelopoulos for a rapid fire conversation on what the data from real-world use tells us 👇 0:00 Biggest release of the year, or overreaction? 0:33 Kimi K3 beats Fable on Code Arena: verifying the votes 1:35 1679 points: a 17-place jump from K2.6 2:37 #1 in 6 of 7 frontend domains — but still #2 in gaming 3:15 Permanent shift or snapshot? Labs distilling Chinese models 4:23 Regulating Chinese models: the case for and against 6:30 $3 in, $15 out: open source is no longer 10% of the price 7:30 If you're Anthropic or OpenAI, what's your move? 8:09 How long before the leaderboard flips again?

Arena.ai

51,094 views • 3 months ago

Fable vs Kimi K3 in Tetris Fable wins

Fable vs Kimi K3 in Tetris Fable wins

Wall St Engine

46,568 views • 3 months ago

Kimi K3 vs GPT-5.6 Sol vs Fable 5 Three top-tier models. Same /design prompt across all. Parameters reviewed: Pace, design sense, gameplay feel Result: Kimi K3 nails the design sense and knows exactly what to add in-game. Pace and gameplay held up well. Fable 5 and GPT-5.6 Sol both play too fast, video isn't sped up. Ranking (DX, Features & Cost): → Kimi K3: 9.5/10 · $0.030 → Fable 5: 7.5/10 · $0.38 → GPT-5.6 Sol: 7/10 · $0.11

Kimi K3 vs GPT-5.6 Sol vs Fable 5 Three top-tier models. Same /design prompt across all. Parameters reviewed: Pace, design sense, gameplay feel Result: Kimi K3 nails the design sense and knows exactly what to add in-game. Pace and gameplay held up well. Fable 5 and GPT-5.6 Sol both play too fast, video isn't sped up. Ranking (DX, Features & Cost): → Kimi K3: 9.5/10 · $0.030 → Fable 5: 7.5/10 · $0.38 → GPT-5.6 Sol: 7/10 · $0.11

Command Code

377,957 views • 3 months ago

Kimi K3 also mogs Fable 5 on frontend design! this time it's not even close, Fable 5 didn't even try to produce something half as good as Kimi's result. the prosthetic hand still needs polishing but it's way more capable and Kimi deployed more feature than Fable did. no need to wonder what model to use for frontend anymore, the choice is clear.

Kimi K3 also mogs Fable 5 on frontend design! this time it's not even close, Fable 5 didn't even try to produce something half as good as Kimi's result. the prosthetic hand still needs polishing but it's way more capable and Kimi deployed more feature than Fable did. no need to wonder what model to use for frontend anymore, the choice is clear.

filipe

40,760 views • 3 months ago

Kimi K3 was already in internal evaluation by April/May, before Fable 5 had been available long enough to be a plausibly distilled. I’ll wait for the evidence from the USG if they’ll publish it. However Kimi already outperformed Fable on BrowserComp, so if K3.1 beats Fable 5 on coding benchmarks, are people going to claim it distilled Fable 6? Obviously it’s not only distillation here. Saying “mythos” would have made a lot more sense but fable ?

Kimi K3 was already in internal evaluation by April/May, before Fable 5 had been available long enough to be a plausibly distilled. I’ll wait for the evidence from the USG if they’ll publish it. However Kimi already outperformed Fable on BrowserComp, so if K3.1 beats Fable 5 on coding benchmarks, are people going to claim it distilled Fable 6? Obviously it’s not only distillation here. Saying “mythos” would have made a lot more sense but fable ?

Chris

562,349 views • 3 months ago

Rockstar spent 7 years, 2,000+ developers, and $500 million to build Red Dead Redemption 2. Kimi K3 rebuilt the same scene in 10 hours. One prompt. 4 million tokens. It's open source. 2.8 trillion parameters. A 1 million token context window. It beats Claude Opus 4.8 and GPT-5.6. It sits on par with Fable 5. Fable 5 results, at Sonnet pricing. The wall between you and a AAA game used to be a studio. Now it's a prompt.

Rockstar spent 7 years, 2,000+ developers, and $500 million to build Red Dead Redemption 2. Kimi K3 rebuilt the same scene in 10 hours. One prompt. 4 million tokens. It's open source. 2.8 trillion parameters. A 1 million token context window. It beats Claude Opus 4.8 and GPT-5.6. It sits on par with Fable 5. Fable 5 results, at Sonnet pricing. The wall between you and a AAA game used to be a studio. Now it's a prompt.

Dep

99,514 views • 3 months ago

Big news from Kimi.ai this week. Check out Kimi K3 head-to-head with Fable 5 on identical prompts in Frontend Code Arena.

Big news from Kimi.ai this week. Check out Kimi K3 head-to-head with Fable 5 on identical prompts in Frontend Code Arena.

Arena.ai

121,238 views • 3 months ago

My honest take on Kimi.ai K3 👀 As soon as I got access to Kimi, I put it through the exact same 3D football stadium challenge I had previously given Claude Fable 5. Fable 5 finished in under an hour. Kimi took almost 3 hours 🥵 At first, that was a very bad impression but i decided to see what's taking it this much of time. It was running E2E tests, validating desktop, tablet, and mobile, taking screenshots, finding failures, fixing them, even adapting for low end hardware and low FPS before moving on. All these that Fable 5 never did. None of it because it wasn't able to run this WebGL app on a headless browser. Kimi also shipped a clean React + Three.js codebase with proper components while Fable, as you might have checked codebase, generated one big HTML file with everything stuffed in. With all of this happening, it felt like I was doing more "Vibe Coding" with Fable 5 and more "Vibe Engineering" with Kimi K3. It feels like it's spending more time making sure the code actually works and easily scalable. Really impressed so far. More Kimi K3 experiments coming soon. Code (Kimi): Code (Fable): Live (Kimi hosted):

My honest take on Kimi.ai K3 👀 As soon as I got access to Kimi, I put it through the exact same 3D football stadium challenge I had previously given Claude Fable 5. Fable 5 finished in under an hour. Kimi took almost 3 hours 🥵 At first, that was a very bad impression but i decided to see what's taking it this much of time. It was running E2E tests, validating desktop, tablet, and mobile, taking screenshots, finding failures, fixing them, even adapting for low end hardware and low FPS before moving on. All these that Fable 5 never did. None of it because it wasn't able to run this WebGL app on a headless browser. Kimi also shipped a clean React + Three.js codebase with proper components while Fable, as you might have checked codebase, generated one big HTML file with everything stuffed in. With all of this happening, it felt like I was doing more "Vibe Coding" with Fable 5 and more "Vibe Engineering" with Kimi K3. It feels like it's spending more time making sure the code actually works and easily scalable. Really impressed so far. More Kimi K3 experiments coming soon. Code (Kimi): Code (Fable): Live (Kimi hosted):

The Bugged Dev

580,617 views • 3 months ago