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ModelsClaude Sonnet 4.6
A

Claude Sonnet 4.6

Anthropic

The model most developers actually ship on.

FrontierVision
Lab page

Released

Mar 18, 2026

Context

500K

Pricing

$3.00/$15

per 1M tok

Best at

Best price/perf

Performance

Benchmarks

Chatbot Arena
1486#5/17

Crowdsourced head-to-head chat preference Elo from LMArena. Captures perceived helpfulness and vibe across real-world prompts.

SWE-bench Verified
73.4#4/17

Share of real GitHub issues a model can autonomously resolve end-to-end (with tests passing). The de-facto agentic coding benchmark.

AIME 2025
92.0#8/16

American Invitational Mathematics Examination — competition math that rewards deep, multi-step reasoning. Reported as % solved.

GPQA Diamond
84.5#6/17

Google-proof graduate-level science Q&A (physics, biology, chemistry). PhD-level questions that resist web lookup.

MMLU-Pro
84.0#6/17

Harder, 10-way multiple-choice version of MMLU across 14 academic and professional domains. Breadth-of-knowledge signal.

Aider Polyglot
82.1#4/17

Editing a real codebase across multiple languages. Measures practical, instruction-following coding skill (not just generation).

OSWorld
38.9#4/16

Computer-use / agentic benchmark: completing real desktop OS tasks (apps, files, browsers). The leading autonomy metric.

Value score: 69/100

Quality-per-dollar blend of Chatbot Arena Elo against API price. Free / open models are scored against a floor.

API pricing

Input$3.00per 1M tokens
Output$15per 1M tokens
1M tokens blended$18in + out

Capabilities

  • Best price/perf
  • Top agentic coding
  • Developers' default
TextVisionReasoningCode

Closest rivals

By Chatbot Arena Elo

  • X

    Grok 4.3

    xAI

    1498
  • ∞

    Llama 4 Behemoth

    Meta

    1469
  • G

    Gemini 3.1 Pro

    Google

    1505

More from

Anthropic

A

Claude Opus 4.8

Top of the LLM Stats overall board; leading on deep coding.

A

Claude Haiku 4.6

Sub-second responses at near-frontier quality.

Data last checked Jun 10, 2026 (1mo ago)

ModelLab

An independent dashboard for comparing frontier AI models. Benchmark scores are drawn from public model cards, papers, and leaderboards. Always verify against the original source before making decisions.

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  • About the data

Sources

  • LMArena ↗
  • SWE-bench ↗
  • LiveBench ↗

Data snapshot last checked June 17, 2026.

Not affiliated with any AI lab. Scores are approximations.