Is Phi-4-mini-instruct or gpt-oss-20b cheaper?

gpt-oss-20b is cheaper on output tokens ($0.20 vs $0.35 per 1M).

Which has the larger context window, Phi-4-mini-instruct or gpt-oss-20b?

gpt-oss-20b has the larger context window (131K tokens).

Phi-4-mini-instruct vs gpt-oss-20b

gpt-oss-20b is cheaper on output tokens, while gpt-oss-20b offers a larger context window. Choose Phi-4-mini-instruct or gpt-oss-20b based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Phi-4-mini-instruct	gpt-oss-20b
Provider	Weights & Biases	Weights & Biases
Input / 1M tokens	$0.08	$0.05
Output / 1M tokens	$0.35	$0.20
Context window	128K	131K
Parameters	—	21B
Open weights	Yes	No
Released	Dec 2024	Aug 2025

Phi-4-mini-instruct details →gpt-oss-20b details →

FAQ

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