Claude Sonnet 4

Active

Balanced mid-tier Claude model with strong general capability and price.

Overview

Claude Sonnet 4 balances intelligence and cost. Widely used for production coding, agents, and content workflows.

Benchmarks

BenchmarkScoreSource
HumanEvalCoding92pass@1 %Self-reported
Anthropic model card
MMLUGeneral knowledge83.1% accuracySelf-reported
Anthropic model card
SWE-bench VerifiedCoding44% resolvedSelf-reported
Anthropic model card

Integrations & tooling support

Tool calling
Supported
Structured outputs
Supported

Price vs quality

Poor value

Below-average benchmark performance for the price.

Quality percentile
37.5%
vs 3 benchmarks
Effective price
$12/1M
/ 1M tokens (input + 3× output)
Pricing breakdown
$3/1M in
$15/1M out

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