Benchmarks

Compare AI models

Pick two models to see release dates, benchmark scores, and community ratings side by side.

Frontier benchmarks

Frontier board

6 releases. Five ways to compare.

Selected for recent releases and benchmark coverage, not a single overall rank. Each column sorts the same models by its own score. No reading means no bar.

○ Independent evaluation · ◆ Vendor or self-reported, labeled per reading.

Coding

BenchLM · 0 to 100

  1. Claude Opus 5.582.42Independent

    Anthropic

  2. Claude Fable 5.176.4Independent

    Anthropic

  3. GPT-6 Astra73.99Independent

    OpenAI

  4. Gemini 4 Argon72.04Independent

    Google DeepMind

  5. GPT-6.1 Sol69.42Independent

    OpenAI

  6. GPT-6.1 TerraNot reported

    OpenAI

Agentic

BenchLM · 0 to 100

  1. Claude Opus 5.589.35Independent

    Anthropic

  2. Claude Fable 5.180.4Independent

    Anthropic

  3. Gemini 4 Argon77.68Independent

    Google DeepMind

  4. GPT-6.1 Terra76.03Independent

    OpenAI

  5. GPT-6.1 Sol75.84Independent

    OpenAI

  6. GPT-6 Astra73.59Independent

    OpenAI

Reasoning

BenchLM · 0 to 100

  1. GPT-6 Astra80.7Independent

    OpenAI

  2. GPT-6.1 Sol80.21Independent

    OpenAI

  3. Claude Opus 5.579.97Independent

    Anthropic

  4. Gemini 4 Argon77.6Independent

    Google DeepMind

  5. Claude Fable 5.176.82Independent

    Anthropic

  6. GPT-6.1 Terra75.36Independent

    OpenAI

Knowledge

BenchLM · 0 to 100

  1. Claude Opus 5.588.12Independent

    Anthropic

  2. Claude Fable 5.184.64Independent

    Anthropic

  3. GPT-6.1 Sol84.23Independent

    OpenAI

  4. GPT-6 Astra83.85Independent

    OpenAI

  5. Gemini 4 Argon79.42Independent

    Google DeepMind

  6. GPT-6.1 Terra76.45Independent

    OpenAI

Arena

LM Arena · Elo

  1. Google DeepMind

  2. Anthropic

  3. Anthropic

  4. GPT-6.1 Sol1,479.94Independent

    OpenAI

  5. GPT-6 Astra1,476.48Independent

    OpenAI

  6. GPT-6.1 TerraNot reported

    OpenAI

Score links open the source; hover for capture details. Bar lengths start at zero. Arena lengths use the full public board maximum.

The shape of the scores

First three featured models. Toggle a name to isolate a line. Missing readings leave gaps, not zeroes.

CodingAgenticReasoningKnowledgeArena050100Claude Opus 5.5, Coding: 82.42. Independent. Captured 2026-11-10.Claude Opus 5.5, Agentic: 89.35. Independent. Captured 2026-11-10.Claude Opus 5.5, Reasoning: 79.97. Independent. Captured 2026-11-10.Claude Opus 5.5, Knowledge: 88.12. Independent. Captured 2026-11-10.Claude Opus 5.5, Arena: 1,508.73. Independent. Captured 2026-10-26.Claude Fable 5.1, Coding: 76.4. Independent. Captured 2026-11-10.Claude Fable 5.1, Agentic: 80.4. Independent. Captured 2026-11-10.Claude Fable 5.1, Reasoning: 76.82. Independent. Captured 2026-11-10.Claude Fable 5.1, Knowledge: 84.64. Independent. Captured 2026-11-10.Claude Fable 5.1, Arena: 1,503.19. Independent. Captured 2026-10-26.Gemini 4 Argon, Coding: 72.04. Independent. Captured 2026-11-10.Gemini 4 Argon, Agentic: 77.68. Independent. Captured 2026-11-10.Gemini 4 Argon, Reasoning: 77.6. Independent. Captured 2026-11-10.Gemini 4 Argon, Knowledge: 79.42. Independent. Captured 2026-11-10.Gemini 4 Argon, Arena: 1,517.17. Independent. Captured 2026-10-26.

3 of 3 series shown.

Axes share drawing space, not meaning. Arena is Elo divided by the current board maximum; it is not a percentage accuracy.

The newest arrival

GPT-6.1 Terra

Released 2026-11-03 · At least two readings

No predecessor is linked in the catalog yet. We do not infer a generation jump from a name.

Latest release with linked lineage

Claude Fable 5.1 vs Claude Fable 5

Coding
+5.38pts
71.02 to 76.4 Independent2026-11-10 / 2026-11-10
Agentic
+6.34pts
74.06 to 80.4 Independent2026-11-10 / 2026-11-10
Reasoning
+4.76pts
72.06 to 76.82 Independent2026-11-10 / 2026-11-10
Knowledge
+4.53pts
80.11 to 84.64 Independent2026-11-10 / 2026-11-10
Arena
-0.09Elo
1,503.28 to 1,503.19 Independent2026-10-26 / 2026-10-26

Latest snapshots, not a controlled before-and-after trial. Capture dates and evaluation setups may differ.

Scores and sources

Frontier board: original scores. Not reported is missing, not zero.
ModelMetricScore / provenanceCapturedSource label / votes
Claude Opus 5.5CodingBenchLM.ai82.42Independent2026-11-10Claude Opus 5.5
Claude Fable 5.1CodingBenchLM.ai76.4Independent2026-11-10Claude Fable 5.1
GPT-6 AstraCodingBenchLM.ai73.99Independent2026-11-10GPT-6 Astra
Gemini 4 ArgonCodingBenchLM.ai72.04Independent2026-11-10Gemini 4 Argon
GPT-6.1 SolCodingBenchLM.ai69.42Independent2026-11-10GPT-6.1 Sol
GPT-6.1 TerraCodingBenchLM.aiNot reportedNot reportedNot reported
Claude Opus 5.5AgenticBenchLM.ai89.35Independent2026-11-10Claude Opus 5.5
Claude Fable 5.1AgenticBenchLM.ai80.4Independent2026-11-10Claude Fable 5.1
Gemini 4 ArgonAgenticBenchLM.ai77.68Independent2026-11-10Gemini 4 Argon
GPT-6.1 TerraAgenticBenchLM.ai76.03Independent2026-11-10GPT-6.1 Terra
GPT-6.1 SolAgenticBenchLM.ai75.84Independent2026-11-10GPT-6.1 Sol
GPT-6 AstraAgenticBenchLM.ai73.59Independent2026-11-10GPT-6 Astra
GPT-6 AstraReasoningBenchLM.ai80.7Independent2026-11-10GPT-6 Astra
GPT-6.1 SolReasoningBenchLM.ai80.21Independent2026-11-10GPT-6.1 Sol
Claude Opus 5.5ReasoningBenchLM.ai79.97Independent2026-11-10Claude Opus 5.5
Gemini 4 ArgonReasoningBenchLM.ai77.6Independent2026-11-10Gemini 4 Argon
Claude Fable 5.1ReasoningBenchLM.ai76.82Independent2026-11-10Claude Fable 5.1
GPT-6.1 TerraReasoningBenchLM.ai75.36Independent2026-11-10GPT-6.1 Terra
Claude Opus 5.5KnowledgeBenchLM.ai88.12Independent2026-11-10Claude Opus 5.5
Claude Fable 5.1KnowledgeBenchLM.ai84.64Independent2026-11-10Claude Fable 5.1
GPT-6.1 SolKnowledgeBenchLM.ai84.23Independent2026-11-10GPT-6.1 Sol
GPT-6 AstraKnowledgeBenchLM.ai83.85Independent2026-11-10GPT-6 Astra
Gemini 4 ArgonKnowledgeBenchLM.ai79.42Independent2026-11-10Gemini 4 Argon
GPT-6.1 TerraKnowledgeBenchLM.ai76.45Independent2026-11-10GPT-6.1 Terra
Gemini 4 ArgonArenaLM Arena1,517.17Independent2026-10-26Gemini 4 Argon (High)10,083 votes
Claude Opus 5.5ArenaLM Arena1,508.73Independent2026-10-26Claude Opus 5.5 (High)10,322 votes
Claude Fable 5.1ArenaLM Arena1,503.19Independent2026-10-26Claude Fable 5.1 (Max)16,343 votes
GPT-6.1 SolArenaLM Arena1,479.94Independent2026-10-26GPT-6.1 Sol (Max)8,305 votes
GPT-6 AstraArenaLM Arena1,476.48Independent2026-10-26GPT-6 Astra (Max)14,076 votes
GPT-6.1 TerraArenaLM ArenaNot reportedNot reportedNot reported
Additional readings for these models. Separate benchmarks, not substitutes for the five chart axes.
ModelMetric / sourceScore / provenanceCaptured
Claude Opus 5.5MultimodalGroundedBenchLM.ai84.39Independent2026-11-10
Claude Opus 5.5GDP.pdfEpoch AI30.6Independent2026-11-10
Claude Fable 5.1Humanity's Last ExamEpoch AI46.5Independent2026-11-10
Claude Fable 5.1GDP.pdfEpoch AI29.6Independent2026-11-10
Claude Fable 5.1MultimodalGroundedBenchLM.ai81.14Independent2026-11-10
Gemini 4 ArgonGDP.pdfEpoch AI28.4Independent2026-11-10
GPT-6.1 SolMultimodalGroundedBenchLM.ai78.43Independent2026-11-10
GPT-6 AstraHumanity's Last ExamEpoch AI54.8Independent2026-11-10
GPT-6 AstraMultimodalGroundedBenchLM.ai78.95Independent2026-11-10
GPT-6.1 TerraMultimodalGroundedBenchLM.ai77.2Independent2026-11-10
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Vibe rating?OutYet's community rating: signed-in users score the model 1–10. Shown as the average and the number of votes.
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Predecessor
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Successor
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