Is GPT-5.1 Codex Max or Qwen3.5 Flash cheaper?

Qwen3.5 Flash is cheaper on output tokens ($0.40 vs $8.00 per 1M).

Which has the larger context window, GPT-5.1 Codex Max or Qwen3.5 Flash?

Qwen3.5 Flash has the larger context window (1M tokens).

GPT-5.1 Codex Max vs Qwen3.5 Flash

Qwen3.5 Flash is cheaper on output tokens, while Qwen3.5 Flash offers a larger context window. Choose GPT-5.1 Codex Max or Qwen3.5 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-5.1 Codex Max	Qwen3.5 Flash
Provider	Ofox	Ofox
Input / 1M tokens	$1.00	$0.10
Output / 1M tokens	$8.00	$0.40
Context window	256K	1M
Parameters	—	—
Open weights	No	No
Released	Nov 2025	Feb 2026

GPT-5.1 Codex Max details →Qwen3.5 Flash details →

FAQ

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