Is Codestral 2508 or GPT-5.3 Codex cheaper?

Codestral 2508 is cheaper on output tokens ($0.90 vs $14.00 per 1M).

Which has the larger context window, Codestral 2508 or GPT-5.3 Codex?

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

Codestral 2508 vs GPT-5.3 Codex

Codestral 2508 is cheaper on output tokens, while GPT-5.3 Codex offers a larger context window. Choose Codestral 2508 or GPT-5.3 Codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Codestral 2508	GPT-5.3 Codex
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$0.30	$1.75
Output / 1M tokens	$0.90	$14.00
Context window	256K	400K
Parameters	—	—
Open weights	No	No
Released	Aug 2025	Feb 2026

Codestral 2508 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.