Claude Haiku 4.5 via the Tokenator API
What the model is for
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models.
Specification
| Full name | Claude Haiku 4.5 |
| API ID | claude-haiku-4-5 |
| Model vendor | Anthropic |
| Type | Text model (chat / completions) |
| Context window | 200K tokens |
| Max output | 8.2K tokens |
| Image input | yes |
| Tokenator usage multiplier | 1.6× |
| Input modalities | text, image |
| Aliases | cursor-claude-haiku-4-5 |
| Supported API formats | /v1/chat/completions /v1/responses /v1/messages |
| Upstream providers | 3 |
| Current status | available |
| Data updated | 2026-09-18 |
Benchmarks
| Intelligence index | 17.6 |
| Coding index | 43.9 |
| Agentic index | 10.3 |
Artificial Analysis data loaded into the catalog for this model.
Upstream providers
| Provider | Multiplier |
|---|---|
| Anthropic Partner #2 | 1.6× |
| Anthropic Partner #3 | 1.6× |
| AiPartners Ltd | 1.6× |
A request goes to the first available provider by priority; if it fails, Tokenator switches to the next one.
Example request
curl https://api.tokenator.top/v1/chat/completions \ -H "Authorization: Bearer sk-your-tokenator-key" \ -H "Content-Type: application/json" \ -d '{ "model": "claude-haiku-4-5", "messages": [{"role": "user", "content": "Hello"}] }'
Compatible tools
The model can be used in any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code, Cherry Studio, DeepSeek Harness, Hermes, Pi, OpenClaw.
See also
FAQ about Claude Haiku 4.5
What is the API ID of Claude Haiku 4.5?
claude-haiku-4-5 — put this into the model field of your request.
What context window does Claude Haiku 4.5 have?
200K tokens; max output is 8.2K tokens.
How many tokens will a request cost?
(input + output) × 1.6×. See the documentation for details.
Which tools support this model?
Any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code. Setup guides are in the integrations section.