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.

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.

GPT OSS 20B vs Qwen3 30B A3B: Which Is Better?

Updated Aug 2025

Our Verdict

GPT OSS 20BWinner

Qwen3 30B A3BRunner-up

Pick GPT OSS 20B. In 140 blind votes, GPT OSS 20B wins 67% of the time. That's not luck.

Pick GPT OSS 20B for Web Design, Reasoning, Analysis. Pick Qwen3 30B A3B for Conversation.

Clear winner

API pricing

Cost per 1M tokens

GPT OSS 20B

Input

$0.02

Output

$0.10

Qwen3 30B A3B

Input

$0.000

Output

$0.000

Writing DNA

Style Comparison

Similarity

39%

GPT OSS 20B uses 75.3x more headings

GPT OSS 20B

Qwen3 30B A3B

54%Vocabulary60%

17wSentence Length11w

0.26Hedging0.24

5.9Bold7.6

3.3Lists4.6

0.10Emoji0.36

0.75Headings0.00

0.32Transitions0.06

Based on 21 + 4 text responses

Research

What we learned reading every model

GPT OSS 20B and Qwen3 30B A3B have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

Qwen3 30B A3B vs MiniMax M3New provider

Qwen3 30B A3B vs Pony AlphaNew provider

Qwen3 30B A3B vs GPT OSS 120BCross-provider

Updated Aug 2025

Our Verdict

GPT OSS 20BWinner

Qwen3 30B A3BRunner-up

Pick GPT OSS 20B. In 140 blind votes, GPT OSS 20B wins 67% of the time. That's not luck.

Pick GPT OSS 20B for Web Design, Reasoning, Analysis. Pick Qwen3 30B A3B for Conversation.

Clear winner

API pricing

Cost per 1M tokens

GPT OSS 20B

Input

$0.02

Output

$0.10

Qwen3 30B A3B

Input

$0.000

Output

$0.000

Writing DNA

Style Comparison

Similarity

39%

GPT OSS 20B uses 75.3x more headings

GPT OSS 20B

Qwen3 30B A3B

54%Vocabulary60%

17wSentence Length11w

0.26Hedging0.24

5.9Bold7.6

3.3Lists4.6

0.10Emoji0.36

0.75Headings0.00

0.32Transitions0.06

Based on 21 + 4 text responses

Research

What we learned reading every model

GPT OSS 20B and Qwen3 30B A3B have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

Qwen3 30B A3B vs MiniMax M3New provider

Qwen3 30B A3B vs Pony AlphaNew provider

Qwen3 30B A3B vs GPT OSS 120BCross-provider