Is Kimi K2.7 Code or GPT-5.3 Codex cheaper?

Kimi K2.7 Code is cheaper on output tokens ($3.50 vs $14.00 per 1M).

Which has the larger context window, Kimi K2.7 Code or GPT-5.3 Codex?

GPT-5.3 Codex has the larger context window (400K tokens).

Kimi K2.7 Code vs GPT-5.3 Codex

Kimi K2.7 Code is cheaper on output tokens, while GPT-5.3 Codex offers a larger context window. Choose Kimi K2.7 Code or GPT-5.3 Codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Kimi K2.7 Code	GPT-5.3 Codex
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$0.74	$1.75
Output / 1M tokens	$3.50	$14.00
Context window	262K	400K
Parameters	—	—
Open weights	Yes	No
Released	Jun 2026	Feb 2026

Kimi K2.7 Code details →GPT-5.3 Codex details →

FAQ

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