Claude Haiku 4.5 API pricing per million tokens
Claude Haiku 4.5 costs $1 per million input tokens and $5 per million output, with a 200K context window.
AIGROW credit covers Claude Opus 5.5, Claude Fable 5.2, Claude Fable 5.1, GPT-6 Astra, Claude Sonnet 5.5, GPT-6.1 Sol, GPT-6.1 Terra, Grok 4.7 and Gemini 4 Argon. Claude Sonnet 5.5 below list price
$25 a month brings $110 of API credit and cancels any time; $25 once buys $100. US dollars per million tokens, standard rate, shortest context band. Number 109 of 256 on the Epoch Capabilities Index by Epoch AI, data of 12 November 2026. CC BY 4.0 Newer model: Claude Haiku 5.5
- 1,000 support replies
- $5.00
- Cached input
- $0.10
- Context window
- 200,000 tokens
- Released
- 15 Oct 2025
- Weights
- Closed weights
From Anthropic’s own pages, 12 November 2026.
Claude Haiku 4.5 costs $1 per million input tokens and $5 per million output tokens on Anthropic’s own API, and $0.10 for cached input. At those prices 1,000 support replies cost $5.00, the 23rd cheapest of 49 priced models on our list.
AIGROW API credit per million input / output tokens: Claude Opus 5.5 $1.60 / $8.00, Claude Fable 5.2 $3.20 / $16.00, Claude Fable 5.1 $4.00 / $20.00, GPT-6 Astra $2.50 / $12.50, Claude Sonnet 5.5 $0.80 / $4.00, GPT-6.1 Sol $0.50 / $2.50, GPT-6.1 Terra $0.25 / $1.25, Grok 4.7 $0.50 / $1.50 and Gemini 4 Argon $1.00 / $5.00. That is up to 75% below list price. See API credit
What a job costs
Three jobs, 1,000 runs of each, at the list price above, and where each puts Claude Haiku 4.5 among the 49 models with a list price.
| Job | 1,000 runs | Among 49 |
|---|---|---|
| Support reply3,000 in, 400 out. | $5.00 | 23rd cheapest |
| Document summary25,000 in, 1,000 out. | $30.00 | 22nd cheapest |
| Agent task80,000 in (70,000 cached), 3,000 out. | $32.00 | 21st cheapest |
The token counts are ours, chosen to look like real work; the prices are Anthropic’s. All three jobs stay under 100,000 tokens a request, below every long-context surcharge on the list.
Claude Haiku 4.5 on real small-business tasks
What the AIGROW benchmark measured when Claude Haiku 4.5 was given 20 office tasks, each marked pass or fail by fixed checks.
- Success rate
- 35% of 20 runs passed (95% interval 18 to 57%), 32nd of 36 models.
- Cost per 1,000 passes
- $6.62, failed runs included.
- Answer time
- 2.5 s median, 3.4 s at the 90th percentile.
- Strongest and weakest
- Email triage (100% passed) and review replies (0%).
The small print
What the base rate above leaves out, copied from the maker’s pages: surcharges, discounts, promotions and cache pricing.
Legacy model, still available; Anthropic lists its retirement as not sooner than 15 October 2026, and the current Haiku is Claude Haiku 5.5. Cache write $1.25 (5 min) or $2 (1 h). Batch API 50% off.
Claude Haiku 4.5 against the models it is weighed with
Each comparison puts both list prices side by side and costs the same three jobs on each.
- vs Claude Haiku 5.5
- Anthropic's new Haiku lists at a tenth of the one it replaces up to 100,000 tokens, though it counts more tokens.
- vs GPT-5.6 Luna
- Anthropic's previous small model costs five times Luna on input, so it has to earn the difference.
- vs Gemini 3.8 Flash
- Fast models from Anthropic and Google weighed for customer-facing replies, with Flash cheaper on both input and output.
- vs GPT-5.4 mini
- Anthropic's and OpenAI's older small models, at similar list prices.
Other Anthropic models
| Model | Input | Output | Context | 1,000 replies |
|---|---|---|---|---|
| Claude Haiku 5.5Anthropic | $0.10 | $0.50 | 1M | $0.50 |
| Claude Sonnet 5.5Anthropic | $2.00 | $10.00 | 1M | $10.00 |
| Claude Sonnet 5AnthropicNewer model: Claude Sonnet 5.5 | $2.00 | $10.00 | 1M | $10.00 |
| Claude Sonnet 4.6AnthropicNewer model: Claude Sonnet 5.5 | $3.00 | $15.00 | 1M | $15.00 |
| Claude Opus 5.5Anthropic | $4.00 | $20.00 | 1M | $20.00 |
| Claude Opus 5AnthropicNewer model: Claude Opus 5.5 | $5.00 | $25.00 | 1M | $25.00 |
| Claude Fable 5.2Anthropic | $8.00 | $40.00 | 1M | $40.00 |
| Claude Fable 5.1AnthropicNewer model: Claude Fable 5.2 | $10.00 | $50.00 | 1M | $50.00 |
Where the price comes from
Read on 12 November 2026. Each price is the standard rate for the shortest context band, with no batch or priority discount; long-context surcharges, batch rates and promotions are in each model’s small print. No price was taken from a reseller.
Compare Claude Haiku 4.5 with 53 other models
The price list sets every model’s input and output price side by side, with what a support reply, a document summary and an agent task cost on each.
Prices checked 12 November 2026 · See them by release date