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Claude Sonnet 4.5Closed
Tool use · Reasoning
Evaluation overview
Overall rank
#101
68.8 points · 201 models
Long context rank
#32
81.3 points · 95 models
Data coverage
34 items
7 sources · updated through 2026-09-02
Domain performance
Coding#76 / 181
69.6
Research#95 / 195
78.6
Agents#84 / 147
66.5
Vision#71 / 81
63.2
Long context#32 / 95
81.3
Evaluation highlights
All evaluationsBasic information
- Context (input / output)
- 200K / 64K
- Release date
- 2025-09
- Input modalities
- Text · Image
- Output modalities
- Text
- Reliable knowledge cutoff
- 2025-01
- Training data cutoff
- 2025-07
Availability
AnthropicFull pricing
- Input
- $3 /1M
- Output
- $15 /1M
Related links
Version relationships
Claude Sonnet 4 family
Claude Sonnet 4
2025-05 · Same series
Claude Sonnet 4.5Current
2025-09 · Current model
Claude Sonnet 4.6
2026-02 · Same series
- Provider variants
- Search
- Runtime modes
- Thinking 32K