Claude 4.5 Sonnet (Reasoning)
- Released
- Sep 29, 2025
- Tracked since
- 2026-07-23
Intelligence index20.7Ranks 201 of 664 models with this metric
Coding index52.1Ranks 106 of 259 models with this metric
Agentic index15.8Ranks 96 of 156 models with this metric
Capability profile
5 axes vs. site averageClaude 4.5 Sonnet (Reasoning)
Site average
Pricing
per 1M tokens- Input
- $3.00
- Output
- $15.00
- Cache read
- $0.300
- Cache write
- $3.75
Performance
- Output throughput
- 44 tokens/sec
- Time to first token
- 9.57s
- First answer token
- 9.57s
- End-to-end response
- 20.90s
History
6Intelligence index
36.4→20.7
Output
Unchanged across 62 days of records
Output throughput
43→44
Cheaper at this level
Models with a comparable intelligence index and a lower output price- Hy3-preview (Reasoning)
TencentIntelligence 22.7$0.210−99%
- Ling 3.0 Flash
InclusionAIIntelligence 24.9$0.220−99%
- Ling-3.0-flash-VL
InclusionAIIntelligence 24.6$0.220−99%
- Ling-3.0-flash-Fin
InclusionAIIntelligence 22.6$0.220−99%
- DeepSeek V4 Flash 0420 (Reasoning, High Effort)
DeepSeekIntelligence 26$0.280−98%