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Claude 3.5 Sonnet

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anthropic/claude-3-5-sonnet · by Anthropic · decoder-only-transformer

Pricing — 1 offering(s)

Anthropic

Input tokens

  • $3.00 / 1M tokens (input) Current 2024-10-22 → present

Output tokens

  • $15.00 / 1M tokens (output) Current 2024-10-22 → present

Showing the active price and any recorded history. Full pricing history is available via the paid API — see API docs.

See how Claude 3.5 Sonnet fits into a cost-aware routing setup

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Capability profile

reasoning strong
coding moderate
tool use strong
instruction following strong
context window strong
multilingual moderate
speed moderate
cost efficiency moderate

Coding benchmarks

View full leaderboard →
Benchmark Score Harness Source
swe-bench-verified ↗ 50.8% 2024-10 agentless 📊 leaderboard ↗
aider-polyglot ↗ 51.6% 2024-10 aider 📊 leaderboard ↗
livecodebench ↗ 38.9% 2025-01 — 📄 paper ↗
bigcodebench ↗ 30.4% 2025-04 — 📊 leaderboard ↗

Operator guidance

Previous generation; still widely deployed. Route here when Claude 3.5-era training is specifically required or for budget parity with Claude Sonnet 4. Step up to Claude Sonnet 4 for newer training data and improved instruction following.

Use cases

Limitations

Citations