Claude Haiku 4.5
Model overview
claude-haiku-4-5-20251001
Claude Haiku 4.5 for low-latency and cost-sensitive workloads.
general LLMreasoningcodingvision-languagechatcode generationenterprise accessvoice assistant
Representative version
claude-haiku-4-5-20251001
| Company | Anthropic |
|---|---|
| Release | 2025-10-15 |
| Release type | Model release |
| Parameters | Not disclosed |
| Architecture | Not disclosed |
| Context | 200,000 |
| Input modalities | text / image |
| Output modalities | text |
| Tool use / function calling | Confirmed: Tool use, Function calling |
| Structured output / reasoning | Confirmed: Reasoning |
| Vision / audio / video | Confirmed: Vision; Not shown: Audio, Video |
| Open weights / License | No open weights currently / weight license not disclosed anthropic-claude-haiku-4-5-current · License not applicable |
| Vendor API | Available Introducing Claude Haiku 4.5anthropic-claude-haiku-4-5-current · 2025-10-15 |
| OpenRouter | OpenRouter listed |
| Pricing | OpenRouter · 2026-08-11: $1 / $5 input / output, per 1M tokens |
| Benchmark | No reliable public source |
| Public signals | No reliable public source |
| Use cases | Low-latency chat / Cost-efficient coding assistance / High-volume API workloads / assistant chat |
| Claim evidence | Release event / Model specificationsIntroducing Claude Haiku 4.5claude-haiku-4-5-20251001 · 2025-10-15 · Claude Haiku 4.5 · claude-haiku-4-5-20251001 OpenRouter context / capabilities / pricingOpenRouter public models APIanthropic/claude-haiku-4.5 · 2026-08-11T06:28:09.895Z |
OpenRouter
Pricing / context / availability
| OpenRouter | OpenRouter listed |
|---|---|
| OpenRouter listing | anthropic/claude-haiku-4.5 |
| Mapped version | claude-haiku-4-5-20251001 anthropic-claude-haiku-4-5-current |
| Pricing | OpenRouter · 2026-08-11: $1 / $5 input / output, per 1M tokens |
| Context | 200000 |
| Speed/Latency | No reliable public source |
| Snapshot time | 2026-08-11T06:28:09.895Z |
| Source | View source |
Source-bounded public ranking
OpenRouter weekly token-usage ranking
| Source | Model / version | Metric | Rank | Value | Checked | Link |
|---|---|---|---|---|---|---|
| OpenRouter | Anthropic: Claude Haiku 4.5 1001 anthropic-claude-haiku-4-5-current | Weekly token usage on OpenRouter public rankings API | 36 | 238,046,439,336 tokens | 2026-08-11 | View source |
OpenRouter weekly prompt-plus-completion token usage only; this is not a model-quality or whole-market ranking.
Verified limitations
Usage boundaries
- Closed-source parameter counts are not officially disclosed.
Missing public information
Public information not yet available
Parameter scale not disclosedNo reliable benchmark sourceNo public model-card activity countersNo linkable model-specific reviewSpeed/latency not disclosed