Claude Opus 4.8 (Adaptive Reasoning, Max Effort)
- Released
- May 28, 2026
- Tracked since
- 2026-07-23
Intelligence index41.8Ranks 40 of 664 models with this metric
Coding index74.3Ranks 31 of 259 models with this metric
Agentic index41.9Ranks 37 of 156 models with this metric
Capability profile
5 axes vs. site averageClaude Opus 4.8 (Adaptive Reasoning, Max Effort)
Site average
Pricing
per 1M tokens- Input
- $5.00
- Output
- $25.00
- Cache read
- $0.500
- Cache write
- $6.25
Performance
- Output throughput
- 56 tokens/sec
- Time to first token
- 22.60s
- First answer token
- 22.60s
- End-to-end response
- 31.51s
History
8Intelligence index
55.7→41.8
Output
Unchanged across 62 days of records
Output throughput
59→56
Cheaper at this level
Models with a comparable intelligence index and a lower output price- Qwen3.8-Flash-Next
AlibabaIntelligence 39.8$0.470−98%
- GLM 5.3 Flash
Z AIIntelligence 41.8$0.500−98%
- MiMo-V2.6-Pro
XiaomiIntelligence 46.3$0.870−97%
- Step 5 Preview
StepFunIntelligence 43.7$2.70−89%
- Gemini 3.8 Flash (high)
GoogleIntelligence 40.9$3.75−85%