Is moonshotai/Kimi-K2.5 or openai/gpt-oss-20b cheaper?

openai/gpt-oss-20b is cheaper on output tokens ($0.18 vs $2.25 per 1M).

Which has the larger context window, moonshotai/Kimi-K2.5 or openai/gpt-oss-20b?

moonshotai/Kimi-K2.5 has the larger context window (262K tokens).

moonshotai/Kimi-K2.5 vs openai/gpt-oss-20b

openai/gpt-oss-20b is cheaper on output tokens, while moonshotai/Kimi-K2.5 offers a larger context window. Choose moonshotai/Kimi-K2.5 or openai/gpt-oss-20b based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	moonshotai/Kimi-K2.5	openai/gpt-oss-20b
Provider	SiliconFlow	SiliconFlow
Input / 1M tokens	$0.45	$0.04
Output / 1M tokens	$2.25	$0.18
Context window	262K	131K
Parameters	1T	21B
Open weights	Yes	No
Released	Jan 2026	Aug 2025

moonshotai/Kimi-K2.5 details →openai/gpt-oss-20b details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.