Alternatives
What are the alternatives to GPT-6 Astra?
GPT-6 Astra ranks 7 of 94 in the overall index and costs $20 per million tokens.
Claude Fable 5.2: Ahead in the overall index (130.9 vs. 120.2) and cheaper ($16 vs. $20 per million tokens).
Claude Sonnet 5.5: Level in the overall index (121.8 vs. 120.2) but cheaper: $4 instead of $20 per million tokens.
- Alternatives
- 4
- Overall index rank
- 7
- Data as of
- Nov 10, 2026
The alternatives by reason
Stronger, not much pricier
Claude Fable 5.2
Ahead in the overall index (130.9 vs. 120.2) and cheaper ($16 vs. $20 per million tokens).
- Overall index
- 130.9
- Price (3:1)
- $16
- Speed
- n/a
Rank 1 · Top group
Similar strength, cheaper
Claude Sonnet 5.5
Level in the overall index (121.8 vs. 120.2) but cheaper: $4 instead of $20 per million tokens.
- Overall index
- 121.8
- Price (3:1)
- $4
- Speed
- 103
Rank 5 · Upper group
Head to head: GPT-6 Astra 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. 120.2 in the overall index.
- Overall index
- 106.7
- Price (3:1)
- $0.26
- Speed
- 126
Rank 20 · Middle group
Head to head: GPT-6 Astra vs. DeepSeek V4.1 Flash 1017Open the profile
Similar strength, faster
Claude Opus 5
Level in the overall index (117.4 vs. 120.2) and faster: 71 instead of 58 tokens per second.
- Overall index
- 117.4
- Price (3:1)
- $10
- Speed
- 71
Rank 10 · Upper group
The models around GPT-6 Astra
| Rank | Model | Overall index | Price (3:1) | Speed |
|---|---|---|---|---|
| 3 | Claude Opus 5.5 | 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 |
| 7 | GPT-6 Astrathis model | 120.2 | $20 | 58 |
| 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 GPT-6 AstraCompare several models side by sideHow the overall index works