Claude Opus 4.8
Official information
- Release date
- May 28, 2026
- Official model ID
- claude-opus-4-8
- Vendor source
- Claude Opus 4.8
- Identity verified
- Aug 13, 2026
API pricing
- Verification
- Verified
- Verified at
- Value benchmark tier
- claude-opus-4-8-standard
| Tier / region | Input / output · per MTok | Context pricing tier | Billing | Validity | Source |
|---|---|---|---|---|---|
claude-opus-4-8-standard global | $5 / $25 | No upper pricing tier | Standard online · Cache miss All day | Current | Official rates |
Rankings by category
Overall
#15High 0.9066.9
| Source | Percentile | Raw score | Config folding |
|---|---|---|---|
| Epoch AI | 80.6 | 159.0 | Single config |
| LiveBench | 64.1 | 77.1 | Single config |
| LMArena | 55.9 | 1457.4 | Median of 2 configs |
Cross-source percentile spread 24.7
Coding
#21High 0.7852.4
| Source | Percentile | Raw score | Config folding |
|---|---|---|---|
| DeepSWE | 37.5 | 51.8 | Median of 5 configs |
| LiveBench | 55.4 | 63.0 | Single config |
| LMArenatext-coding | 65.7 | 1488.9 | Median of 2 configs |
| · webdev | 62.8 | 1545.8 | Median of 2 configs |
Cross-source percentile spread 26.7
Agent
#19High 0.7844.6
| Source | Percentile | Raw score | Config folding |
|---|---|---|---|
| Agents' Last Exam | 51.8 | 45.1 | Single config |
| DeepSWE | 37.5 | 51.8 | Median of 5 configs |
Cross-source percentile spread 14.3
Reasoning
#18High 0.8962.6
| Source | Percentile | Raw score | Config folding |
|---|---|---|---|
| Epoch AI | 47.9 | 0.9 | Median of 3 configs |
| LiveBench | 77.2 | 91.8 | Single config |
| LMArenatext-math | 65.7 | 1478.5 | Median of 2 configs |
| · text-hard | 59.8 | 1478.1 | Median of 2 configs |
Cross-source percentile spread 29.3
Value
#31High 0.9031.1
Aliases & configurations
- claude-opus-4-8
- claude-opus-4-8-high· high
- claude-opus-4-8-max-effort· max effort
- claude-opus-4-8-thinking· thinking