Is gpt-oss-20b or Claude 3.5 Sonnet cheaper?

gpt-oss-20b is cheaper on output tokens ($0.45 vs $15.00 per 1M).

Which has the larger context window, gpt-oss-20b or Claude 3.5 Sonnet?

Claude 3.5 Sonnet has the larger context window (200K tokens).

gpt-oss-20b vs Claude 3.5 Sonnet

gpt-oss-20b is cheaper on output tokens, while Claude 3.5 Sonnet offers a larger context window. Choose gpt-oss-20b or Claude 3.5 Sonnet based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	gpt-oss-20b	Claude 3.5 Sonnet
Provider	DigitalOcean	DigitalOcean
Input / 1M tokens	$0.05	$3.00
Output / 1M tokens	$0.45	$15.00
Context window	131K	200K
Parameters	21B	—
Open weights	Yes	No
Released	Aug 2025	Jun 2024

gpt-oss-20b details →Claude 3.5 Sonnet details →

FAQ

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