Is Claude Haiku 4.5 out yet?
Yes.
About Claude Haiku 4.5
The fast, low-cost Haiku tier of the Claude 4.5 generation.
How we confirmed it
Released via official access
October 15, 2025 at 12:00 AM UTC
Release timeline
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Benchmarks
Reasoning#39
Claude Haiku 4.5 · via BenchLM.ai · captured Jul 17, 2026 · source
55.7
Math#43
Claude Haiku 4.5 · via BenchLM.ai · captured Jul 3, 2026 · source
55
MultimodalGrounded#25
Claude Haiku 4.5 · via BenchLM.ai · captured Jul 17, 2026 · source
72.1
Multilingual#47
Claude Haiku 4.5 · via BenchLM.ai · captured Jul 17, 2026 · source
61.6
InstructionFollowing#42
Claude Haiku 4.5 · via BenchLM.ai · captured Jul 14, 2026 · source
69.7
ExploitBench
Claude Haiku 4.5 · via Epoch AI · captured Aug 16, 2026 · source
13.4
LM Arena#125
claude-haiku-4-5-20251001 · via LM Arena · 118,496 votes · captured Aug 16, 2026 · source
1412.5469102911902
Coding#47
Claude Haiku 4.5 · via BenchLM.ai · captured Jul 14, 2026 · source
55.3
Agentic#49
Claude Haiku 4.5 · via BenchLM.ai · captured Aug 4, 2026 · source
49.43
Knowledge#50
Claude Haiku 4.5 · via BenchLM.ai · captured Jul 14, 2026 · source
46.9
Sourced metrics mirrored with attribution - not community sentiment.
Data from BenchLM.ai.
Data from Epoch AI, “AI Benchmarking Hub” (CC BY 4.0).
Vibe rating
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Model Pulse
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Community consensus
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Compare Claude Haiku 4.5 with another model →
Also waiting on: Gemini 3.5 Pro, Claude Fable 5.1, Claude Mythos 5.1, GLM-6
Comments
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