Claude Haiku 4.5 pricing
Anthropic · API id claude-haiku-4-5-20251001 · verified 2026-10-18
| Input | $1.00 |
| Cached input (cache hit) | $0.10 |
| Cache write | $1.25 |
| Output | $5.00 |
| Batch discount | 50% |
| Context window | 200,000 tokens |
| Max output | 64,000 tokens |
USD per 1M tokens unless noted. Official source
Estimate your workload on Claude Haiku 4.5 →
What Claude Haiku 4.5 costs for real workloads
| Workload | Claude Haiku 4.5 | Ministral 3 8B | Claude Haiku 5.5 | GPT-6 Luna | Mistral Small 4 |
|---|---|---|---|---|---|
| 10,000 chatbot replies 2,000 input + 400 output tokens each, 50% of the prompt cached | $31.00 | $2.25 | $3.10 | $3.10 | $4.05 |
| One 30-step coding agent run 12K system + tools prompt, 1K output and 3K tool result per step, caching on | $0.52 | $0.05 | $0.12 | $0.05 | $0.07 |
| 1M documents classified (batch) 600 input + 20 output tokens each, batch API where available | $350 | $46.50 | $35.00 | $35.00 | $51.00 |
Compared with the cheapest other small models. Change the numbers in the calculator.
Billing notes
Legacy; alias claude-haiku-4-5. Now 10x the price of Haiku 5.5. Retirement "not sooner than Oct 15, 2026" - check deprecations page.
Where Claude Haiku 4.5 ranks by use case
Position by cost among all models that fit each workload (1 = cheapest).
- Cheapest LLM for coding agents: #16 of 36 (Per run (cached): $0.52)
- Cheapest LLM for RAG chatbots: #16 of 36 (Per 1,000 answers: $6.65)
- Cheapest LLM for batch classification and extraction: #15 of 36 (Classify 1M docs: $350)
- Cheapest LLM for high-volume customer support: #19 of 36 (Per 1,000 replies: $2.65)
Counting tokens for a prompt? The token counter estimates Claude Haiku 4.5 tokens (Claude 4.6 and earlier tokenizer, estimated) and input cost.
Head-to-head comparisons
Other Anthropic models
- Claude Fable 5.1: $10.00 / $50.00
- Claude Opus 5: $5.00 / $25.00
- Claude Opus 4.8: $5.00 / $25.00
- Claude Opus 5.5: $4.00 / $20.00
- Claude Sonnet 4.6: $3.00 / $15.00
- Claude Sonnet 5.5: $2.00 / $10.00
- Claude Sonnet 5: $2.00 / $10.00
- Claude Haiku 5.5: $0.10 / $0.50
FAQ
How much does Claude Haiku 4.5 cost per 1M tokens?
Claude Haiku 4.5 costs $1.00 per 1M input tokens and $5.00 per 1M output tokens at standard rates (verified 2026-10-18).
Does Claude Haiku 4.5 support prompt caching?
Yes. Cached input is billed at $0.10 per 1M tokens, and writing to the cache costs $1.25 per 1M tokens.
Is there a batch discount for Claude Haiku 4.5?
Yes. The batch API is 50% cheaper than standard requests.
What is the context window of Claude Haiku 4.5?
200,000 tokens, with up to 64,000 output tokens.