What is the difference between GPT OSS 20B and Qwen3 30B A3B?

GPT OSS 20B is developed by OpenAI while Qwen3 30B A3B is developed by Qwen. GPT OSS 20B has a 131K token context window vs Qwen3 30B A3B's 41K. in 140 community votes on Rival, GPT OSS 20B wins 67% of head-to-head matchups. These results are based on blind head-to-head voting across 54 challenges.

Which is better, GPT OSS 20B or Qwen3 30B A3B?

Based on 140 community votes on Rival, GPT OSS 20B wins 67% of head-to-head matchups against Qwen3 30B A3B. GPT OSS 20B is strongest in Web Design, Image Generation, Reasoning. However, Qwen3 30B A3B leads in Conversation.

How much does GPT OSS 20B cost compared to Qwen3 30B A3B?

GPT OSS 20B costs $0.02/M input tokens and Qwen3 30B A3B costs $0/M input tokens. Qwen3 30B A3B is $0.02/M cheaper per input. The more expensive model wins 67% of duels, so the premium may be justified by quality.

How are GPT OSS 20B vs Qwen3 30B A3B votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 140 votes have been collected for this pair across 54 challenges. All vote data is part of Rival's open dataset.

Updated Aug 2025

GPT OSS 20BvsQwen3 30B A3B

GPT OSS 20B wins 67% of 140 blind community votes against Qwen3 30B A3B on Rival.

GPT OSS 20B and Qwen3 30B A3B compared across 54 shared prompts
Spec	GPT OSS 20B	Qwen3 30B A3B
Win rate	67%	33%
Input price	$0.02/M tokens	Free
Output price	$0.1/M tokens	Free
Context window	131K tokens	41K tokens
Parameters	21B (3.6B active)	30.5B (3.3B Active MoE)
Weights	Open	Open
Free API (OpenRouter)	No	No
Released	Aug 2025	Apr 2025