Claude Opus 5.5
By Anthropic · released 2026-09-22 (4 weeks) · 5 effort levels
4 of 5 on the frontier at launch3 on the frontier todayproprietary
- Intelligence index
- 42.30–57.60
- Cost to run the AA index
- $860–$8708
- Price per 1M tokens (in / out)
- $4.00 / $20.0
Today
Where Claude Opus 5.5 stands on the 2026-10-24 frontier
3 of 5 levels on the frontier today.
| Level | Input modalities | Intelligence | Cost | E2E | Today | Matchup |
|---|---|---|---|---|---|---|
| Claude Opus 5.5 (Low, Default Fallback) | Text, Image | 42.30 | $860 | 13.4s | beaten by GPT-6.1 Sol (Xhigh) | Compare |
| Claude Opus 5.5 (Medium, Default Fallback) | Text, Image | 51.20 | $1627 | 20.3s | beaten by GPT-6.1 Sol (Max) | Compare |
| Claude Opus 5.5 (High, Default Fallback) | Text, Image | 53.60 | $2172 | 33.8s | Frontier | Compare |
| Claude Opus 5.5 (Xhigh, Default Fallback) | Text, Image | 56.00 | $4057 | 123.1s | Frontier | Compare |
| Claude Opus 5.5 (Max, Default Fallback) | Text, Image | 57.60 | $8708 | 626.1s | Frontier | Compare |
Claude Opus 5.5 effort levelsToday's Pareto frontierEvery other model
Matchup
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
- Claude Opus 5.5 (Max, Default Fallback) vs Claude Opus 5.5 (Low, Default Fallback)
- Claude Opus 5.5 (Max, Default Fallback) vs Claude Opus 5.5 (Medium, Default Fallback)
- Claude Opus 5.5 (Max, Default Fallback) vs Claude Opus 5.5 (High, Default Fallback)
- Claude Opus 5.5 (Max, Default Fallback) vs Claude Opus 5.5 (Xhigh, Default Fallback)
- Claude Opus 5.5 (Max, Default Fallback) vs Kimi K3.1 Pro
Launch day
What Claude Opus 5.5 did to the frontier on 2026-09-22
Reached the frontier
Claude Opus 5.5 (Medium, Default Fallback) · Claude Opus 5.5 (High, Default Fallback) · Claude Opus 5.5 (Xhigh, Default Fallback) · Claude Opus 5.5 (Max, Default Fallback)
Reached the frontier4 of 5
Impact (hypervolume gained)4.17
Rank, past year's releases#9 of 46
Smartest level57.60
Cheapest level$860
Reached the frontierMissed itDisplaced from the old frontierFrontier the day beforeFrontier after the releaseRegion gained (impact)
Missed the frontier
| Level | Intelligence | Cost | Beaten by | Intel gap | Cost ratio |
|---|---|---|---|---|---|
| Claude Opus 5.5 (Low, Default Fallback) | 42.30 | $860 | MiMo-V2.6-Pro | −4.0 | 4.16× |
Agents:
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