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gemini-2.5-flash-preview-09-2025 vs kimi-k2-0905-preview

gemini-2.5-flash-preview-09-2025 is cheaper on output tokens, while gemini-2.5-flash-preview-09-2025 offers a larger context window. Choose gemini-2.5-flash-preview-09-2025 or kimi-k2-0905-preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Specgemini-2.5-flash-preview-09-2025kimi-k2-0905-preview
Provider302.AI302.AI
Input / 1M tokens$0.30$0.63
Output / 1M tokens$2.50$2.53
Context window1M262K
Parameters——
Open weightsNoNo
ReleasedSep 2025Sep 2025
LMArena (Chatbot Arena) Elo score14061380
LMArena Vision Elo score1253—
SWE-bench Verified score—71.2

FAQ

Is gemini-2.5-flash-preview-09-2025 or kimi-k2-0905-preview cheaper?

gemini-2.5-flash-preview-09-2025 is cheaper on output tokens ($2.50 vs $2.53 per 1M).

Which has the larger context window, gemini-2.5-flash-preview-09-2025 or kimi-k2-0905-preview?

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.