Is GPT OSS 20B or Gemma 4 26B A4B IT cheaper?

GPT OSS 20B and Gemma 4 26B A4B IT have comparable output pricing.

Which has the larger context window, GPT OSS 20B or Gemma 4 26B A4B IT?

Gemma 4 26B A4B IT has the larger context window (256K tokens).

GPT OSS 20B vs Gemma 4 26B A4B IT

Both have similar output pricing, while Gemma 4 26B A4B IT offers a larger context window. Choose GPT OSS 20B or Gemma 4 26B A4B IT based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT OSS 20B	Gemma 4 26B A4B IT
Provider	Cloudflare Workers AI	Cloudflare Workers AI
Input / 1M tokens	$0.20	$0.10
Output / 1M tokens	$0.30	$0.30
Context window	128K	256K
Parameters	21B	—
Open weights	Yes	Yes
Released	Aug 2025	Apr 2026

GPT OSS 20B details →Gemma 4 26B A4B IT details →

FAQ

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