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The evolving landscape of models

Which model is best at what, checked daily against public leaderboards.

Atlas is being built to choose a model for each task; this page tracks the public evidence for that kind of choice.

Rankings reflect public leaderboards; they do not state which models Atlas runs.

Best at

Top 3 among ranked models, plus the best open-weight model. LiveBench 2.0 suites, release Oct 13, LiveBench. The overall leader can be off this list. Tasks without a public benchmark aren't shown.

LiveBench · Oct 13 ↗
Task type, among ranked models#1#2#3Best open-weight, among ranked models
CodingClaude Fable 5.1 (97.7)Claude Opus 5.5 (96.3)GPT-6.1 Sol (96.0)DeepSeek V4.1 Flash (85.4)
AgenticClaude Opus 5.5 (85.0)GPT-6 Astra (82.4)Claude Fable 5.1 (80.8)DeepSeek V4.1 Flash (43.8)
ReasoningGemini 4 Argon (95.1)GPT-6 Astra (92.7)GPT-6.1 Sol (92.6)Kimi K3 (90.7)
Browser UseClaude Fable 5.1 (100.0)Gemini 4 Argon (92.0)GPT-6.1 Sol (88.0)GLM-5.3-Flash (84.0)
Data AnalysisGemini 4 Argon (85.2)GPT-6 Astra (83.0)GPT-6.1 Sol (82.7)DeepSeek V4.1 Flash (79.3)
ResearchGrok 4.7 (86.4)DeepSeek V4.1 Flash (85.3)GPT-6 Astra (85.2)DeepSeek V4.1 Flash (85.3)
DesignClaude Opus 5.5 (86.9)Claude Sonnet 5.5 (85.0)Claude Fable 5.1 (83.4)GLM-5.3 (77.3)

Intelligence and execution

RankModelMaker Open-weightAtlas compositePublishersArtificial AnalysisOct 13LMArenaOct 13LiveBench CodingOct 13LiveBench AgenticOct 13Share of tokens among listed models (OpenRouter, week of Oct 12)
1Claude Opus 5.5AnthropicNo94.13 of 3581508±896.385.06.8%
2Claude Fable 5.1AnthropicNo82.43 of 3531501±697.780.8not in top 20
3Gemini 4 ArgonGoogleNo81.73 of 3531525±989.769.9not in top 20
4Claude Sonnet 5.5AnthropicNo77.53 of 3561475±894.778.83.4%
5GPT-6 AstraOpenAINo73.63 of 3531477±693.782.4not in top 20
6GPT-6.1 SolOpenAINo71.93 of 3521484±896.073.02.8%
7Muse Spark 1.3MetaNo53.43 of 3481494±690.240.4not listed
8GLM-5.3Zhipu AI (Z.ai) license · weights38.13 of 3451479±582.835.95.0%
9Grok 4.7SpaceXSINo35.13 of 3461444±784.550.1not in top 20
10GPT-5.6 TerraOpenAINo35.13 of 3421466±486.248.4not in top 20
11Gemini 3.8 FlashGoogleNo33.93 of 3411496±582.230.12.6%
12DeepSeek V4.1 FlashDeepSeek license · weights30.53 of 3391475±685.443.851.4%
13Qwen3.8 MaxAlibaba (Qwen)No29.63 of 3451482±560.342.3not in top 20
14Kimi K3Moonshot AI license · weights29.33 of 3441488±559.342.82.9%
15GLM-5.3-FlashZhipu AI (Z.ai) license · weights27.53 of 3421474±580.628.416.1%
16GPT-6 LunaOpenAINo20.13 of 3381443±584.548.19.0%

Scores within about 10 points are effectively tied.

Composite score: Artificial Analysis 35%, LMArena 25%, LiveBench Coding 20%, LiveBench Agentic 20%.

LiveBench counts as one source, and a model needs all three sources to be ranked.

OpenRouter shows usage share only, not quality.

More columns

Artificial Analysis · Oct 13. LMArena · Oct 13. LiveBench Coding · Oct 13. LiveBench Agentic · Oct 13. OpenRouter · Oct 12.

  • Claude Opus 5.5: AA 58 · Intelligence Index; LMArena 1508±8 · Text Arena; LiveBench Coding 96.3 · Coding; LiveBench Agentic 85.0 · Agentic; usage share 6.8%
  • Claude Fable 5.1: AA 53 · Intelligence Index; LMArena 1501±6 · Text Arena; LiveBench Coding 97.7 · Coding; LiveBench Agentic 80.8 · Agentic; usage share not in top 20
  • Gemini 4 Argon: AA 53 · Intelligence Index; LMArena 1525±9 · Text Arena; LiveBench Coding 89.7 · Coding; LiveBench Agentic 69.9 · Agentic; usage share not in top 20
  • Claude Sonnet 5.5: AA 56 · Intelligence Index; LMArena 1475±8 · Text Arena; LiveBench Coding 94.7 · Coding; LiveBench Agentic 78.8 · Agentic; usage share 3.4%
  • GPT-6 Astra: AA 53 · Intelligence Index; LMArena 1477±6 · Text Arena; LiveBench Coding 93.7 · Coding; LiveBench Agentic 82.4 · Agentic; usage share not in top 20
  • GPT-6.1 Sol: AA 52 · Intelligence Index; LMArena 1484±8 · Text Arena; LiveBench Coding 96.0 · Coding; LiveBench Agentic 73.0 · Agentic; usage share 2.8%
  • Muse Spark 1.3: AA 48 · Intelligence Index; LMArena 1494±6 · Text Arena; LiveBench Coding 90.2 · Coding; LiveBench Agentic 40.4 · Agentic; usage share not listed
  • GLM-5.3: AA 45 · Intelligence Index; LMArena 1479±5 · Text Arena; LiveBench Coding 82.8 · Coding; LiveBench Agentic 35.9 · Agentic; usage share 5.0%
  • Grok 4.7: AA 46 · Intelligence Index; LMArena 1444±7 · Text Arena; LiveBench Coding 84.5 · Coding; LiveBench Agentic 50.1 · Agentic; usage share not in top 20
  • GPT-5.6 Terra: AA 42 · Intelligence Index; LMArena 1466±4 · Text Arena; LiveBench Coding 86.2 · Coding; LiveBench Agentic 48.4 · Agentic; usage share not in top 20
  • Gemini 3.8 Flash: AA 41 · Intelligence Index; LMArena 1496±5 · Text Arena; LiveBench Coding 82.2 · Coding; LiveBench Agentic 30.1 · Agentic; usage share 2.6%
  • DeepSeek V4.1 Flash: AA 39 · Intelligence Index; LMArena 1475±6 · Text Arena; LiveBench Coding 85.4 · Coding; LiveBench Agentic 43.8 · Agentic; usage share 51.4%
  • Qwen3.8 Max: AA 45 · Intelligence Index; LMArena 1482±5 · Text Arena; LiveBench Coding 60.3 · Coding; LiveBench Agentic 42.3 · Agentic; usage share not in top 20
  • Kimi K3: AA 44 · Intelligence Index; LMArena 1488±5 · Text Arena; LiveBench Coding 59.3 · Coding; LiveBench Agentic 42.8 · Agentic; usage share 2.9%
  • GLM-5.3-Flash: AA 42 · Intelligence Index; LMArena 1474±5 · Text Arena; LiveBench Coding 80.6 · Coding; LiveBench Agentic 28.4 · Agentic; usage share 16.1%
  • GPT-6 Luna: AA 38 · Intelligence Index; LMArena 1443±5 · Text Arena; LiveBench Coding 84.5 · Coding; LiveBench Agentic 48.1 · Agentic; usage share 9.0%

Share of tokens among listed models (OpenRouter, week of Oct 12)

  • Claude Opus 5.5: 6.8%
  • Claude Fable 5.1: not in top 20
  • Gemini 4 Argon: not in top 20
  • Claude Sonnet 5.5: 3.4%
  • GPT-6 Astra: not in top 20
  • GPT-6.1 Sol: 2.8%
  • Muse Spark 1.3: not listed
  • GLM-5.3: 5.0%
  • Grok 4.7: not in top 20
  • GPT-5.6 Terra: not in top 20
  • Gemini 3.8 Flash: 2.6%
  • DeepSeek V4.1 Flash: 51.4%
  • Qwen3.8 Max: not in top 20
  • Kimi K3: 2.9%
  • GLM-5.3-Flash: 16.1%
  • GPT-6 Luna: 9.0%

Cost efficiency

Each estimate counts the task's input and output tokens at the company's list price, so real costs usually run higher.

Prices: official vendor pricing pages, checked Oct 13, 2026.

Estimated cost per result (lower bound; lower is cheaper)

Read a 20-page PDF and convert it to structured Markdown (30,000 in, 8,000 out)

Under $0.01: GLM-5.3-Flash, GPT-6 Luna

$0.01–$0.10: Muse Spark 1.3, GLM-5.3, Gemini 3.8 Flash, DeepSeek V4.1 Flash

Over $0.10: Claude Opus 5.5, Claude Fable 5.1, Gemini 4 Argon, Claude Sonnet 5.5, GPT-6 Astra, GPT-6.1 Sol, Grok 4.7, GPT-5.6 Terra, Qwen3.8 Max, Kimi K3

ModelEstimated costTier usedcomposite points per dollar
GLM-5.3-Flash$0.0085Standard rate3235.3
GPT-6 Luna$0.007Short context2871.4
DeepSeek V4.1 Flash$0.0186Peak rate1639.8
Muse Spark 1.3$0.0715Standard rate746.9
Gemini 3.8 Flash$0.0525*Standard rate645.7
Gemini 4 Argon$0.14*Standard rate583.6
Claude Sonnet 5.5$0.14Standard rate553.6
GPT-6.1 Sol$0.14Short context513.6
GLM-5.3$0.0772Standard rate493.5
Claude Opus 5.5$0.28Standard rate336.1
Grok 4.7$0.108Short context325.0
Qwen3.8 Max$0.108Standard rate274.1
GPT-5.6 Terra$0.156Short context225.0
Kimi K3$0.21Standard rate139.5
Claude Fable 5.1$0.7Standard rate117.7
GPT-6 Astra$0.7Short context105.1

Update one recurring document from new notes (15,000 in, 3,000 out)

Under $0.01: DeepSeek V4.1 Flash, GLM-5.3-Flash, GPT-6 Luna

$0.01–$0.10: Gemini 4 Argon, Claude Sonnet 5.5, GPT-6.1 Sol, Muse Spark 1.3, GLM-5.3, Grok 4.7, GPT-5.6 Terra, Gemini 3.8 Flash, Qwen3.8 Max, Kimi K3

Over $0.10: Claude Opus 5.5, Claude Fable 5.1, GPT-6 Astra

ModelEstimated costTier usedcomposite points per dollar
GLM-5.3-Flash$0.0037Standard rate7333.3
GPT-6 Luna$0.003Short context6700.0
DeepSeek V4.1 Flash$0.0081Peak rate3765.4
Muse Spark 1.3$0.0315Standard rate1695.2
Gemini 3.8 Flash$0.0225*Standard rate1506.7
Gemini 4 Argon$0.06*Standard rate1361.7
Claude Sonnet 5.5$0.06Standard rate1291.7
GPT-6.1 Sol$0.06Short context1198.3
GLM-5.3$0.0342Standard rate1114.0
Claude Opus 5.5$0.12Standard rate784.2
Grok 4.7$0.048Short context731.3
Qwen3.8 Max$0.048Standard rate616.7
GPT-5.6 Terra$0.066Short context531.8
Kimi K3$0.09Standard rate325.6
Claude Fable 5.1$0.3Standard rate274.7
GPT-6 Astra$0.3Short context245.3

Fix one bug in a mid-size codebase (60,000 in, 6,000 out)

Under $0.01: GPT-6 Luna

$0.01–$0.10: Gemini 3.8 Flash, DeepSeek V4.1 Flash, GLM-5.3-Flash

Over $0.10: Claude Opus 5.5, Claude Fable 5.1, Gemini 4 Argon, Claude Sonnet 5.5, GPT-6 Astra, GPT-6.1 Sol, Muse Spark 1.3, GLM-5.3, Grok 4.7, GPT-5.6 Terra, Qwen3.8 Max, Kimi K3

ModelEstimated costTier usedcomposite points per dollar
GLM-5.3-Flash$0.012Standard rate2291.7
GPT-6 Luna$0.009Short context2233.3
DeepSeek V4.1 Flash$0.0252Peak rate1210.3
Muse Spark 1.3$0.1005Standard rate531.3
Gemini 3.8 Flash$0.0675*Standard rate502.2
Gemini 4 Argon$0.18*Standard rate453.9
Claude Sonnet 5.5$0.18Standard rate430.6
GPT-6.1 Sol$0.18Short context399.4
GLM-5.3$0.1104Standard rate345.1
Claude Opus 5.5$0.36Standard rate261.4
Grok 4.7$0.156Short context225.0
Qwen3.8 Max$0.156Standard rate189.7
GPT-5.6 Terra$0.192Short context182.8
Kimi K3$0.27Standard rate108.5
Claude Fable 5.1$0.9Standard rate91.6
GPT-6 Astra$0.9Short context81.8

* Gemini 4 Argon: promotional price until Dec 1, 2026

* Gemini 3.8 Flash: promotional price until Jan 1, 2027

Muse Spark 1.3: Priced in Standard mode. Contributor mode trains on your data.

No published price: Claude Haiku 5.5, DeepSeek V4 Flash Vision, Muse Wonder Full, Muse Wonder, MiMo-V2.6-Pro, Step 5 Preview, Ling 3.1 Flash, Qwen3.8 2.4T A95B, Qwen3.8-Flash-Next, Mistral Large 4 Preview, MiMo-V2.6-Flash, DeepSeek V4 Pro 0813.

Open-weight only

Protect and train on your proprietary data. 4 of the 16 ranked models are open-weight: GLM-5.3, Kimi K3, DeepSeek V4.1 Flash and GLM-5.3-Flash.

Listed but not ranked: MiMo-V2.6-Pro (2 publishers; HF MIT tag, no LICENSE file).

Not ranked

A model needs 3 sources from 3 different publishers.

Full model records and availability

  • Claude Haiku 5.5 (Anthropic): 2 of 3 publishers.
  • DeepSeek V4 Flash Vision (DeepSeek): 2 of 3 publishers.
  • Muse Wonder Full (Meta): 1 of 3 publishers.
  • Muse Wonder (Meta): 2 of 3 publishers.
  • MiMo-V2.6-Pro (Xiaomi): 2 of 3 publishers.
  • Step 5 Preview (StepFun): 2 of 3 publishers.
  • Ling 3.1 Flash (inclusionAI (Ant Group)): 1 of 3 publishers.
  • Qwen3.8 2.4T A95B (Alibaba (Qwen)): 1 of 3 publishers.
  • Qwen3.8-Flash-Next (Alibaba (Qwen)): 1 of 3 publishers.
  • Mistral Large 4 Preview (Mistral AI): 1 of 3 publishers.
  • MiMo-V2.6-Flash (Xiaomi): 2 of 3 publishers.
  • DeepSeek V4 Pro 0813 (DeepSeek): 2 of 3 publishers.

Mistral Large 4 (Mistral AI)

Mistral AI released Mistral Large 4 in public preview on October 6, 2026, a general-purpose multimodal model with a mixture-of-experts design and listed context 1M.

  • Public preview, not general availability.
  • Field news about a vendor release. It does not mean Atlas uses or integrates this model.
Availability: pilotVerification: verifiedSource: Mistral docs: Mistral Large 4Verified Valid until

Method and sources

Each source is scaled 0–100 across the ranked models, using min-max. Published values are stored unchanged. If a model is missing one LiveBench suite, its weights are re-scaled. Ties go to the model with the higher LMArena low-end score. SWE-bench Verified, Epoch AI and Hugging Face boards are not in this rubric.