Claude Haiku 4.5
AnthropicReleased Oct 15, 2025Closed weightsclaude-haiku-4-5
- Intelligence (Epoch)
- 142 · 75th of 111
- Context
- 200K tokens
- Max output
- 64K tokens
- Input
- text, image
- Anthropic's API
- yes, as claude-haiku-4-5-20251001
Read Oct 17, 00:00 UTC from the hosts' published offers and OpenRouter, spec sheet from Anthropic
Intelligence for the price
48 models score higher for the same price or less; it ranks 49 of the 82 models at its price or below.
Epoch Capabilities Index against the lowest input + output price per M, log scale · prices Oct 17. Score: Epoch AI, CC BY 4.0, 142 with an interval of 139 to 144.
Against its rivals
The best of its price range and the top score
- Claude Haiku 4.5this model$6.00142
- Claude Opus 5.5top score$24.00169
- GPT-6.1 Solsame price range$12.00168
- Claude Sonnet 5.5same price range$12.00166
Same level for 50× less: gpt-oss-20b at AkashML, $0.12 per M input + output · their Epoch intervals overlap (138 against 142).
Bars: Epoch Capabilities Index (Epoch AI, CC BY 4.0), drawn from 100, below the lowest score in the catalogue · price: lowest input + output per M.
| Provider | Input | Output | Cache ↑ | Checked |
|---|---|---|---|---|
| Anthropic | $1.00 | $5.00 | $0.10 | Oct 17 |
1 provider · prices per million tokens, read Oct 17, 00:00 UTC
| Provider | Weights | Context | Max output | Tools | Structured outputs | Reasoning |
|---|---|---|---|---|---|---|
| Anthropic | — | 200K | 64K | — | — | — |
As served by each host and declared to OpenRouter; not verified by us · weights: the precision the host declares
Claude Haiku 4.5 spec sheet, field by field, with sources
Claude Haiku 4.5 spec sheetmaker-declared
What Anthropic declares about the model itself — read from its own weights repository and documentation, not from any host. What each endpoint actually serves is in the pricing above: the two can differ, and both are true.
- Context window
- 200,000 tokens
- Parameters
- to verify
- Active experts
- to verify
- Weight precision
- not applicable — no weights publishedcurated
- License
- Proprietary — API onlycuratedScope: the licence on the published weights, and nothing else. It is not the maker's acceptable-use policy, which is a separate document, and it is not the contract you sign with whichever host you call — hosts set their own terms, which this index does not read.
- Knowledge cutoff
- to verify
- Modalities
- to verify
- Max output (official)
- 64,000 tokens
- Release date
- October 15, 2025
- Maker lifecycle status
- Active (legacy)maker's docs · read 2026-10-17
platform.claude.com · maker's documentation · read 2026-10-17 · 5 of 10 fields published by the maker
| Provider | Chatbot 1,000 in / 500 out | RAG / long context 8,000 in / 500 out | Batch summarize 4,000 in / 1,000 out |
|---|---|---|---|
| Anthropic | $3.50 | $10.50 | $9.00 |
What each host bills for 1,000 requests of a representative job
Your own workload
Other Anthropic models · all its models, hosts and history ›
- Claude Fable 53 providers · from $60.00
- Claude Fable 5.13 providers · from $60.00
- Claude Opus 53 providers · from $30.00
- Claude Sonnet 53 providers · from $12.00
- Claude Haiku 5.51 provider · from $0.60
- Claude Opus 4.11 provider · from $90.00