Is GPT 5.1 Codex or Gemma 4 31B Garnet cheaper?

Gemma 4 31B Garnet is cheaper on output tokens ($0.31 vs $10.00 per 1M).

Which has the larger context window, GPT 5.1 Codex or Gemma 4 31B Garnet?

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

GPT 5.1 Codex vs Gemma 4 31B Garnet

Gemma 4 31B Garnet is cheaper on output tokens, while GPT 5.1 Codex offers a larger context window. Choose GPT 5.1 Codex or Gemma 4 31B Garnet based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT 5.1 Codex	Gemma 4 31B Garnet
Provider	NanoGPT	NanoGPT
Input / 1M tokens	$1.25	$0.31
Output / 1M tokens	$10.00	$0.31
Context window	400K	262K
Parameters	—	—
Open weights	No	No
Released	Nov 2025	May 2026

GPT 5.1 Codex details →Gemma 4 31B Garnet details →

FAQ

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