Claude Haiku 4.5
Claude Haiku 4.5 is an AI model from Anthropic. Claude Haiku 4.5 with reasoning mode enabled, providing step-by-step thinking in a compact, fast model.
| Specifications | |
|---|---|
anthropic-claude-4-5-haiku-reasoning | |
| Active | |
| Anthropic | |
| Benchmarks | |
|---|---|
| Intelligence Index | #72 |
| Coding Index | #86 |
| Math Index | #70 |
| MMLU-Pro | #177 |
| GPQA | #292 |
| HLE | #221 |
| LiveCodeBench | #138 |
| IFBench | #153 |
| Time to First Token | #545 |
| SciCode | #100 |
| AIME 2025 | #70 |
| LCR | #91 |
| TerminalBench Hard | #117 |
| TAU2 | #178 |
| Output TPS | #111 |
Capabilities
Input0/5
Text·
Image·
Audio·
Video·
PDF·
Output0/5
Text·
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 200K | $1.00 | $5.00 | Deprecating | |
| Claude Haiku 4.5 | — | — | — | — | Current |
| Claude Haiku 3.5 | 200K | $0.800 | $4.00 | Available | |
| Claude Haiku 3 | 200K | $0.250 | $1.25 | Deprecated | |
| Claude Haiku | 200K | $1.00 | $5.00 | Available |
Other Models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| Claude Fable 5.1 | — | 1.0M | $10.00 | $50.00 | |
| Claude Opus 5 | Opus | 1.0M | $5.00 | $25.00 | |
| Claude Sonnet 5 | Sonnet | 1.0M | $2.00 | $10.00 | |
| Claude Fable 5 | Fable | 1.0M | $10.00 | $50.00 | |
| Claude Fable 5.3 | Fable | — | — | — | — |
| Claude Mythos 5 | Mythos | — | 1.0M | $10.00 | $50.00 |
| Claude Mythos 5.1 | Mythos | — | 1.0M | $10.00 | $50.00 |
| Claude Opus 4.8 | Opus | 1.0M | $5.00 | $25.00 | |
| Claude Opus 4.7 | Opus | 1.0M | $5.00 | $25.00 | |
| Claude Sonnet 4.6 | Sonnet | 1.0M | $3.00 | $15.00 |