Alternatives
What are the alternatives to Claude Sonnet 4.5?
Claude Sonnet 4.5 ranks 75 of 94 in the overall index and costs $6 per million tokens.
Claude Sonnet 5.5: Ahead in the overall index (121.8 vs. 65.9) and cheaper ($4 vs. $6 per million tokens).
MiMo-V2.5: Level in the overall index (69.1 vs. 65.9) but cheaper: $0.18 instead of $6 per million tokens.
- Alternatives
- 5
- Overall index rank
- 75
- Data as of
- Nov 10, 2026
The alternatives by reason
Stronger, not much pricier
Claude Sonnet 5.5
Ahead in the overall index (121.8 vs. 65.9) and cheaper ($4 vs. $6 per million tokens).
- Overall index
- 121.8
- Price (3:1)
- $4
- Speed
- 103
Rank 5 · Upper group
Head to head: Claude Sonnet 4.5 vs. Claude Sonnet 5.5Open the profile
Similar strength, cheaper
MiMo-V2.5
Level in the overall index (69.1 vs. 65.9) but cheaper: $0.18 instead of $6 per million tokens.
- Overall index
- 69.1
- Price (3:1)
- $0.18
- Speed
- 55
Rank 71 · Lower group
Head to head: Claude Sonnet 4.5 vs. MiMo-V2.5Open the profile
With open weights
DeepSeek V4.1 Flash 1017
The best model with open weights, stronger: 106.7 vs. 65.9 in the overall index.
- Overall index
- 106.7
- Price (3:1)
- $0.26
- Speed
- 126
Rank 20 · Middle group
Head to head: Claude Sonnet 4.5 vs. DeepSeek V4.1 Flash 1017Open the profile
Similar strength, faster
Gemini 3.5 Flash-Lite
Level in the overall index (73.7 vs. 65.9) and faster: 145 instead of 38 tokens per second.
- Overall index
- 73.7
- Price (3:1)
- $0.85
- Speed
- 145
Rank 65 · Lower group
Head to head: Claude Sonnet 4.5 vs. Gemini 3.5 Flash-LiteOpen the profile
The successor
Claude Sonnet 4.6
The successor to Claude Sonnet 4.5. Overall index 86.7 vs. 65.9.
- Overall index
- 86.7
- Price (3:1)
- $6
- Speed
- 38
Rank 49 · Middle group
Head to head: Claude Sonnet 4.5 vs. Claude Sonnet 4.6Open the profile
The models around Claude Sonnet 4.5
| Rank | Model | Overall index | Price (3:1) | Speed |
|---|---|---|---|---|
| 70 | Kimi K2.5 | 70.3 | $1.14 | 37 |
| 71 | MiMo-V2.5 | 69.1 | $0.18 | 55 |
| 72 | Inkling Small | 68.7 | $0.52 | 61 |
| 73 | Nemotron 3.5 Super VL 120B A12B | 68.1 | $0.24 | n/a |
| 74 | Nemotron 3 Ultra | 66.8 | $0.93 | 92 |
| 75 | Claude Sonnet 4.5this model | 65.9 | $6 | 38 |
| 77 | MiniMax M2.7 | 65.1 | $0.37 | 45 |
| 80 | MiniMax M2.5 | 61.5 | $0.52 | 49 |
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 Sonnet 4.5Compare several models side by sideHow the overall index works