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Claude Haiku 4.5

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anthropic/claude-haiku-4-5 · by Anthropic · decoder-only-transformer

Pricing — 1 offering(s)

Anthropic

Input tokens

  • $1.00 / 1M tokens (input) Current 2026-06-12 → present

Output tokens

  • $5.00 / 1M tokens (output) Current 2026-06-12 → present

Cache hits and refreshes

  • $0.10 / 1M tokens (cached input) Current 2026-06-12 → present

5-minute cache writes

  • $1.25 / 1M tokens (cache write) Current 2026-06-12 → present

Batch

Batch input tokens

  • $0.50 / 1M tokens (input) Current 2026-06-12 → present

Batch output tokens

  • $2.50 / 1M tokens (output) Current 2026-06-12 → present

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

See how Claude Haiku 4.5 fits into a cost-aware routing setup

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Capability profile

How Claude Haiku 4.5 rates across core capability dimensions, with the task-level evidence behind each rating.

reasoning Moderate
coding Strong

SWE-bench Verified (500 human-verified GitHub issues; patch must pass the repo's own tests; no file-location hints): resolves 73.3% — fails roughly 1 issue in 4. Vendor-reported (Anthropic, Claude Haiku 4.5 launch; agentless-style two-tool scaffold).

tool use Strong
instruction following Strong
context window Strong

200K-token context.

multilingual Moderate
speed Strong

Smallest/fastest Claude 4 tier — low latency and cost.

cost efficiency Strong

Ratings are estimated — limited independent data is available for this model.

Coding benchmarks

View the full coding benchmark leaderboard →
Benchmark Score Harness Source
swe-bench-verified ↗ 73.3% 2025-10 agentless 2.0 🏢 vendor ↗
terminal-bench-2-1 44.2% 2026-08 terminus-2 🔬 independent ↗

Operator guidance

Route here for throughput and cost. Step up to Sonnet 4 when a task needs more reasoning or coding depth than Haiku reliably provides.

Use cases

Limitations

Citations