gemini-2.5-flash-preview-09-2025 vs Kimi K2 Thinking
Both have similar output pricing, while gemini-2.5-flash-preview-09-2025 offers a larger context window. Choose gemini-2.5-flash-preview-09-2025 or Kimi K2 Thinking based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | gemini-2.5-flash-preview-09-2025 | Kimi K2 Thinking |
|---|---|---|
| Provider | 302.AI | MoonshotAI |
| Input / 1M tokens | $0.30 | $0.60 |
| Output / 1M tokens | $2.50 | $2.50 |
| Context window | 1M | 262K |
| Parameters | — | 1T |
| Open weights | No | Yes |
| Released | Sep 2025 | Nov 2025 |
| LMArena (Chatbot Arena) Elo score | 1406 | — |
| LMArena Vision Elo score | 1253 | — |
| LiveBench score | — | 62.3 |
| Aider Polyglot score | — | 59.1 |
FAQ
Is gemini-2.5-flash-preview-09-2025 or Kimi K2 Thinking cheaper?
gemini-2.5-flash-preview-09-2025 and Kimi K2 Thinking have comparable output pricing.
Which has the larger context window, gemini-2.5-flash-preview-09-2025 or Kimi K2 Thinking?
gemini-2.5-flash-preview-09-2025 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.