Is Qwen3.5 Plus or GPT-5.5 Pro cheaper?

Qwen3.5 Plus is cheaper on output tokens ($1.20 vs $180.00 per 1M).

Which has the larger context window, Qwen3.5 Plus or GPT-5.5 Pro?

GPT-5.5 Pro has the larger context window (1.1M tokens).

Qwen3.5 Plus vs GPT-5.5 Pro

Qwen3.5 Plus is cheaper on output tokens, while GPT-5.5 Pro offers a larger context window. Choose Qwen3.5 Plus or GPT-5.5 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Qwen3.5 Plus	GPT-5.5 Pro
Provider	OpenCode Zen	OpenCode Zen
Input / 1M tokens	$0.20	$30.00
Output / 1M tokens	$1.20	$180.00
Context window	262K	1.1M
Parameters	—	—
Open weights	No	No
Released	Feb 2026	Apr 2026

Qwen3.5 Plus details →GPT-5.5 Pro details →

FAQ

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