Claude Haiku 4.5 (batch)
by Anthropic
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. Matching Clau
Models
Claude Haiku 4.5 (batch)
Added 3 Sept 2026
Overview
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. Matching Claude Sonnet 4’s performance...
How to use / API access
Call via OpenRouter with model id `anthropic/claude-haiku-4.5:batch`.
- openrouter ·
anthropic/claude-haiku-4.5:batchDocs
OpenRouter id: anthropic/claude-haiku-4.5:batch
Benchmarks
- Intelligence Index (artificial-analysis) : 22.5 index
- Coding Index (artificial-analysis) : 43.9 index
- Agentic Index (artificial-analysis) : 10.4 index
- Design Arena 3d (other) : 1110 elo · #85
- Design Arena asciiart (other) : 1163 elo · #38
- Design Arena codecategories (other) : 1131 elo · #83
- Design Arena dataviz (other) : 1144 elo · #77
Notes
Claude Haiku 4.5 (batch) is listed in the EDNA Models directory from the OpenRouter catalogue.
Get the free Developer’s Field Guide
A 27-page field guide to the AI coding workflow with Claude. Claude Code, MCP servers, the prompt patterns that work, and what to delegate. Free.
Enter your work email. We send it straight over, plus a few short notes worth knowing. Unsubscribe any time.