Is Qwen3.5 9B or GPT-4o cheaper?

Qwen3.5 9B is cheaper on output tokens ($0.30 vs $10.00 per 1M).

Which has the larger context window, Qwen3.5 9B or GPT-4o?

GPT-4o has the larger context window (128K tokens).

Qwen3.5 9B vs GPT-4o

Qwen3.5 9B is cheaper on output tokens, while GPT-4o offers a larger context window. Choose Qwen3.5 9B or GPT-4o based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Qwen3.5 9B	GPT-4o
Provider	Pioneer	Pioneer
Input / 1M tokens	$0.30	$2.50
Output / 1M tokens	$0.30	$10.00
Context window	33K	128K
Parameters	—	—
Open weights	Yes	No
Released	Feb 2026	May 2024

Qwen3.5 9B details →GPT-4o details →

FAQ

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