Is GPT OSS 20B (Groq) or GLM-5.3 (reka-ai) cheaper?

GPT OSS 20B (Groq) is cheaper on output tokens ($0.50 vs $3.96 per 1M).

Which has the larger context window, GPT OSS 20B (Groq) or GLM-5.3 (reka-ai)?

GLM-5.3 (reka-ai) has the larger context window (1M tokens).

GPT OSS 20B (Groq) vs GLM-5.3 (reka-ai)

GPT OSS 20B (Groq) is cheaper on output tokens, while GLM-5.3 (reka-ai) offers a larger context window. Choose GPT OSS 20B (Groq) or GLM-5.3 (reka-ai) based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT OSS 20B (Groq)	GLM-5.3 (reka-ai)
Provider	LLM Gateway	LLM Gateway
Input / 1M tokens	$0.10	$1.17
Output / 1M tokens	$0.50	$3.96
Context window	131K	1M
Parameters	—	—
Open weights	Yes	Yes
Released	Aug 2025	Aug 2026

GPT OSS 20B (Groq) details →GLM-5.3 (reka-ai) details →

FAQ

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