GPT-6 Astra vs Claude Fable 5.1
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
GPT-6 Astra
B
Claude Fable 5.1
- ProviderOpenAIAnthropic
- Rank#2Higher rank#7
- TierSS
- Score93.5Higher score91.1
- PriceAPI $10 input / $50 output per 1M tokensAPI $10 input / $50 output per 1M tokens; Claude Pro and Max via usage credits, Team and Enterprise
- TaglineOpenAI's GPT-6 frontier model (September 2026) for end-to-end reasoning, coding, computer use and research, with a 1.05M-token context window.Anthropic's Fable 5 point release, tied at the top of the Artificial Analysis Intelligence Index.
| Attribute | GPT-6 Astra | Claude Fable 5.1 |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Rank | #2Higher rank | #7 |
| Tier | S | S |
| Score | 93.5Higher score | 91.1 |
| Price | API $10 input / $50 output per 1M tokens | API $10 input / $50 output per 1M tokens; Claude Pro and Max via usage credits, Team and Enterprise |
| Tagline | OpenAI's GPT-6 frontier model (September 2026) for end-to-end reasoning, coding, computer use and research, with a 1.05M-token context window. | Anthropic's Fable 5 point release, tied at the top of the Artificial Analysis Intelligence Index. |