Anthropic

Claude Sonnet 4.6

Matches Opus 4.5 quality at Sonnet pricing. Best value in the Claude lineup for production use. 1M context in beta.

mid

Input price

$3/1M

Output price

$15/1M

Context window

200K

Max output

16K

Long context pricing: Above 200K tokens, pricing increases to $6 input / $22.5 output per 1M tokens.

Capabilities

textvisiontool-usecodereasoning

Benchmarks

MMLU-Pro86%

HumanEval94%

GPQA70%

Strengths

✓Opus 4.5 quality at 1/5th the cost
✓Best value for production workloads
✓1M context in beta

Weaknesses

✗Long context pricing doubles above 200K
✗Slightly below Opus 4.6 on hardest tasks

Compare with similar models

Claude Sonnet 4.6 vs Claude Sonnet 4.5 Claude Sonnet 4.6 vs GPT-4o Claude Sonnet 4.6 vs Gemini 2.5 Pro Claude Sonnet 4.6 vs GLM-4.7 Claude Sonnet 4.6 vs Mistral Medium 3