GPT-6 Astra vs Kimi K3.1 Pro
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
Kimi K3.1 Pro
- ProviderOpenAIMoonshot AI
- Rank#2Higher rank#6
- TierSS
- Score93.5Higher score91.6
- PriceAPI $10 input / $50 output per 1M tokensAPI about $2 input / $10 output per 1M tokens via the Kimi API (per Artificial Analysis); open weights due by Nov 4, 2026Lower price tier
- 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.Moonshot AI's flagship Kimi model (October 2026) for long-horizon coding and knowledge work, with native vision and a 1M-token context window.
| Attribute | GPT-6 Astra | Kimi K3.1 Pro |
|---|---|---|
| Provider | OpenAI | Moonshot AI |
| Rank | #2Higher rank | #6 |
| Tier | S | S |
| Score | 93.5Higher score | 91.6 |
| Price | API $10 input / $50 output per 1M tokens | API about $2 input / $10 output per 1M tokens via the Kimi API (per Artificial Analysis); open weights due by Nov 4, 2026Lower price tier |
| 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. | Moonshot AI's flagship Kimi model (October 2026) for long-horizon coding and knowledge work, with native vision and a 1M-token context window. |