OpenAI GPT-4o vs Kimi K3.1 Pro
Both have similar output pricing, while Kimi K3.1 Pro offers a larger context window. Choose OpenAI GPT-4o or Kimi K3.1 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | OpenAI GPT-4o | Kimi K3.1 Pro |
|---|---|---|
| Provider | Helicone | MoonshotAI |
| Input / 1M tokens | $2.50 | $2.00 |
| Output / 1M tokens | $10.00 | $10.00 |
| Context window | 128K | 1M |
| Parameters | — | — |
| Open weights | No | — |
| Released | May 2024 | — |
| LMArena WebDev Elo score | — | 1695 |
FAQ
Is OpenAI GPT-4o or Kimi K3.1 Pro cheaper?
OpenAI GPT-4o and Kimi K3.1 Pro have comparable output pricing.
Which has the larger context window, OpenAI GPT-4o or Kimi K3.1 Pro?
Kimi K3.1 Pro has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.