Anthropic News / Introducing Claude Haiku 4.5Vendor report
Claude Haiku 4.5: Anthropic's official Claude Haiku 4.5 release: Speed, cost, coding, and computer use
Anthropic’s 2025-10-15 release covers Haiku 4.5 SWE-bench, Augment coding, slide-text, and computer-use cases, but prompts, parameters, samples, and harnesses are incomplete; relative performance is publisher/partner reported.
- Evidence
- Vendor report
- Boundary
- Does not establish absolute success rates, one unified harness, or production isolation.
BenchLMIndependent measurement
Claude Haiku 4.5: Six Publicly Documented Pieces of Evidence on Claude Haiku 4.5 from BenchLM
As of 2026-08-17, BenchLM shows six source-displayable Haiku 4.5 rows across SWE-bench, VulcanBench, EEBench, JobBench, and FrontierMath; row conditions differ, so the aggregate score cannot replace task-level judgment.
- Evidence
- Independent measurement
- Boundary
- Does not turn six rows into general capability or directly combine them with Anthropic relative claims.
Reddit / r/ClaudeAIPersonal experience
Claude Haiku 4.5: Reddit Users' Real-World Experience with Claude Haiku 4.5 and Its Usage Limits
Multiple Reddit Claude.ai/Claude Code users reported Haiku 4.5 writing, translation, long-text, light-coding, and web-search experiences, but reports conflict and lack a shared prompt, snapshot, tools, or repeats; quotas vary by account and time.
- Evidence
- Personal experience
- Boundary
- Does not establish satisfaction, API performance, or cross-account quota behavior.