Is Claude Sonnet 4.6 Thinking or GPT-5.5 cheaper?

Claude Sonnet 4.6 Thinking is cheaper on output tokens ($15.00 vs $30.00 per 1M).

Which has the larger context window, Claude Sonnet 4.6 Thinking or GPT-5.5?

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

Claude Sonnet 4.6 Thinking vs GPT-5.5

Claude Sonnet 4.6 Thinking is cheaper on output tokens, while GPT-5.5 offers a larger context window. Choose Claude Sonnet 4.6 Thinking or GPT-5.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Sonnet 4.6 Thinking	GPT-5.5
Provider	AIHubMix	AIHubMix
Input / 1M tokens	$3.00	$5.00
Output / 1M tokens	$15.00	$30.00
Context window	1M	1.1M
Parameters	—	—
Open weights	No	No
Released	Feb 2026	Apr 2026

Claude Sonnet 4.6 Thinking details →GPT-5.5 details →

FAQ

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