Claude Sonnet 4.6

Non-reasoning, High Effort

Creator

Anthropic

Released

2026-02-17

Intelligence

35.9

Artificial Analysis Index

Coding

Artificial Analysis Index

In $/1M

$3.00

input tokens

Out $/1M

$15.00

output tokens

Blended $/1M

$6.00

3:1 blended

Speed

0

tokens / sec

Profile

License, openness, and modality — the governance layer.

License

Proprietary

non-commercial

Weights

Closed

API only

Modalities

Audio · Image · Text · Video

Parameters

Claude Sonnet 4.6 is a full upgrade of the model's skills across coding, computer use, long-context reasoning, agent planning, knowledge work, and design. Users preferred Sonnet 4.6 over Sonnet 4.5 approximately 70% of the time. First Sonnet-class model with 1M token context window (beta) and context compaction. Major improvement in computer use skills compared to prior Sonnet models. Default model on Free and Pro plans. Pricing: $3/$15 per million tokens (input/output).

Capability profile

Category strength across 20 domains, via LLM Stats.

legal
100finance
100agents
100reasoning
100general
100biology
90physics
90language
90chemistry
90communication
90
tool calling
80frontend development
80math
70search
70multimodal
70code
60vision
60spatial reasoning
60long context
40healthcare
20
Via LLM Stats

Benchmark breakdown

Independent evaluation scores, normalized to 0–100.

GPQA Diamond
80
Humanity’s Last Exam
13
MMLU-Pro
SciCode
47
LiveCodeBench
MATH-500
AIME 2025
τ²-Bench (agentic)
80
Terminal-Bench Hard
46
IFBench
41
Via Artificial Analysis

Providers

Inference hosts serving this model — their own pricing and measured performance, cheapest input first.

ProviderIn $/1MOut $/1MThroughputLatencyStatus
Anthropic$3.00$15.00420.40active
All providers

1 host · via LLM Stats

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