Kimi K3.1 Pro vs GPT-6 Astra
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
Kimi K3.1 Pro
B
GPT-6 Astra
- ProviderMoonshot AIOpenAI
- Rank#6#2Higher rank
- TierSS
- Score91.693.5Higher score
- PriceAPI about $2 input / $10 output per 1M tokens via the Kimi API (per Artificial Analysis); open weights due by Nov 4, 2026Lower price tierAPI $10 input / $50 output per 1M tokens
- TaglineMoonshot AI's flagship Kimi model (October 2026) for long-horizon coding and knowledge work, with native vision and a 1M-token context window.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.
| Attribute | Kimi K3.1 Pro | GPT-6 Astra |
|---|---|---|
| Provider | Moonshot AI | OpenAI |
| Rank | #6 | #2Higher rank |
| Tier | S | S |
| Score | 91.6 | 93.5Higher score |
| Price | 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 | API $10 input / $50 output per 1M tokens |
| Tagline | Moonshot AI's flagship Kimi model (October 2026) for long-horizon coding and knowledge work, with native vision and a 1M-token context window. | 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. |