Model Comparison
GPT OSS 20B vs Qwen3 30B A3B
GPT OSS 20B significantly outperforms across most benchmarks. GPT OSS 20B is 1.7x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
GPT OSS 20B outperforms in 1 benchmarks (GPQA), while Qwen3 30B A3B is better at 0 benchmarks.
GPT OSS 20B significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT OSS 20B ($0.05/1M tokens) is 2.0x cheaper than Qwen3 30B A3B ($0.10/1M tokens).
For output processing, GPT OSS 20B ($0.20/1M tokens) is 1.5x cheaper than Qwen3 30B A3B ($0.30/1M tokens).
In conclusion, Qwen3 30B A3B is more expensive than GPT OSS 20B.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Qwen3 30B A3B has 9.6B more parameters than GPT OSS 20B, making it 45.9% larger.
Context Window
Maximum input and output token capacity
GPT OSS 20B accepts 131,072 input tokens compared to Qwen3 30B A3B's 128,000 tokens. Qwen3 30B A3B can generate longer responses up to 128,000 tokens, while GPT OSS 20B is limited to 32,768 tokens.
License
Usage and distribution terms
Both models are licensed under Apache 2.0.
Both models share the same licensing terms, providing consistent usage rights.
Apache 2.0
Open weights
Apache 2.0
Open weights
Release Timeline
When each model was launched
GPT OSS 20B was released on 2025-08-05, while Qwen3 30B A3B was released on 2025-04-29.
GPT OSS 20B is 3 months newer than Qwen3 30B A3B.
Aug 5, 2025
8 months ago
3mo newerApr 29, 2025
11 months ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GPT OSS 20B is available from Novita, Fireworks, Groq, OpenAI. Qwen3 30B A3B is available from DeepInfra, Novita, Fireworks.
GPT OSS 20B
Qwen3 30B A3B
Outputs Comparison
Key Takeaways
GPT OSS 20B
View detailsOpenAI
Qwen3 30B A3B
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
| Feature |
|---|
FAQ
Common questions about GPT OSS 20B vs Qwen3 30B A3B