Alternatives
What are the alternatives to Claude Opus 5.5?
Claude Opus 5.5 ranks 3 of 94 in the overall index and costs $8 per million tokens.
Claude Sonnet 5.5: Level in the overall index (121.8 vs. 125.6) but cheaper: $4 instead of $8 per million tokens.
DeepSeek V4.1 Flash 1017: The best model with open weights, weaker: 106.7 vs. 125.6 in the overall index.
- Alternatives
- 2
- Overall index rank
- 3
- Data as of
- Nov 10, 2026
The alternatives by reason
Similar strength, cheaper
Claude Sonnet 5.5
Level in the overall index (121.8 vs. 125.6) but cheaper: $4 instead of $8 per million tokens.
- Overall index
- 121.8
- Price (3:1)
- $4
- Speed
- 103
Rank 5 · Upper group
Head to head: Claude Opus 5.5 vs. Claude Sonnet 5.5Open the profile
With open weights
DeepSeek V4.1 Flash 1017
The best model with open weights, weaker: 106.7 vs. 125.6 in the overall index.
- Overall index
- 106.7
- Price (3:1)
- $0.26
- Speed
- 126
Rank 20 · Middle group
Head to head: Claude Opus 5.5 vs. DeepSeek V4.1 Flash 1017Open the profile
The models around Claude Opus 5.5
| Rank | Model | Overall index | Price (3:1) | Speed |
|---|---|---|---|---|
| 1 | Claude Fable 5.2 | 130.9 | $16 | n/a |
| 3 | Claude Opus 5.5this model | 125.6 | $8 | 75 |
| 4 | Claude Fable 5.1 | 124.1 | $20 | 59 |
| 5 | Claude Sonnet 5.5 | 121.8 | $4 | 103 |
| 6 | Gemini 4 Argon | 121.4 | $4 | 46 |
| 8 | Muse Wonder Full | 118.1 | n/a | n/a |
| 9 | GPT-6.1 Sol | 118.0 | $4 | 44 |
| 10 | Claude Opus 5 | 117.4 | $10 | 71 |
Price in dollars per million tokens, mixed from 3 parts input and 1 part output. Speed in tokens per second.
Keep comparing
Profile of Claude Opus 5.5Compare several models side by sideHow the overall index works