Is GPT-5.1 Codex or Kimi K2.6 cheaper?

Kimi K2.6 is cheaper on output tokens ($4.00 vs $10.00 per 1M).

Which has the larger context window, GPT-5.1 Codex or Kimi K2.6?

GPT-5.1 Codex has the larger context window (400K tokens).

GPT-5.1 Codex vs Kimi K2.6

Kimi K2.6 is cheaper on output tokens, while GPT-5.1 Codex offers a larger context window. Choose GPT-5.1 Codex or Kimi K2.6 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-5.1 Codex	Kimi K2.6
Provider	AIHubMix	AIHubMix
Input / 1M tokens	$1.25	$0.95
Output / 1M tokens	$10.00	$4.00
Context window	400K	262K
Parameters	—	1T
Open weights	No	Yes
Released	Nov 2025	Apr 2026

GPT-5.1 Codex details →Kimi K2.6 details →

FAQ

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