Model · Anthropic · Text
Claude Haiku 4.5
Anthropic's fast, cheap tier of the Claude 4 generation, for high-throughput agentic work and tasks where latency matters more than depth. Superseded by Claude Haiku 5.5 (2026-10-07) but still available.
- Modality
- Text
- License
- Proprietary (Proprietary)
- Context window
- 200,000 tokens
- Released
- October 1, 2025
- Last verified
- October 28, 2026
- Runs locally
- No
- Also handles
- vision
Strengths
- Lowest latency in the Claude line
- Cheap enough for high-volume work
- Vision capability included
Weaknesses
- Closed weights
- Reasoning is shallower than Sonnet/Opus
Try it
| Where | Type | Notes |
|---|---|---|
| Anthropic API | hosted-api | API key required |
| AWS Bedrock | hosted-api | Enterprise / regional |
Version history
- Claude Opus 4.8 May 2026 Deprecated
- Claude 4.6 Sonnet Feb 2026 Deprecated
- Claude 4.7 Opus Feb 2026 Deprecated
- Claude Haiku 4.5 Oct 2025 Current Deprecated
Official sources
- Model docs docs
Change log
- — Deprecated — superseded by Claude Haiku 5.5 (released 2026-10-07). Haiku 4.5 moves to Anthropic's legacy list; still available and listed Active, though its retirement-not-sooner-than date (2026-10-15) has passed.
- — Verified current against Anthropic's models overview. Still a column in the current-lineup table; no Haiku 5 exists. Retirement not sooner than 2026-10-15.
- — Initial entry.
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