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.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

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.

Wed Apr 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT OSS 20B costs less

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

Lowest available price from all providers
Wed Apr 15 2026 • llm-stats.com
OpenAI
GPT OSS 20B
Input tokens$0.05
Output tokens$0.20
Best providerNovita
Alibaba Cloud / Qwen Team
Qwen3 30B A3B
Input tokens$0.10
Output tokens$0.30
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

9.6B diff

Qwen3 30B A3B has 9.6B more parameters than GPT OSS 20B, making it 45.9% larger.

OpenAI
GPT OSS 20B
20.9Bparameters
Alibaba Cloud / Qwen Team
Qwen3 30B A3B
30.5Bparameters
20.9B
GPT OSS 20B
30.5B
Qwen3 30B A3B

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.

OpenAI
GPT OSS 20B
Input131,072 tokens
Output32,768 tokens
Alibaba Cloud / Qwen Team
Qwen3 30B A3B
Input128,000 tokens
Output128,000 tokens
Wed Apr 15 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under Apache 2.0.

Both models share the same licensing terms, providing consistent usage rights.

GPT OSS 20B

Apache 2.0

Open weights

Qwen3 30B A3B

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.

GPT OSS 20B

Aug 5, 2025

8 months ago

3mo newer
Qwen3 30B A3B

Apr 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.

No cutoff dates available

Provider Availability

GPT OSS 20B is available from Novita, Fireworks, Groq, OpenAI. Qwen3 30B A3B is available from DeepInfra, Novita, Fireworks.

GPT OSS 20B

novita logo
Novita
Input Price:Input: $0.05/1MOutput Price:Output: $0.20/1M
fireworks logo
Fireworks
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M
groq logo
Groq
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M
openai logo
OpenAI
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M

Qwen3 30B A3B

deepinfra logo
Deepinfra
Input Price:Input: $0.10/1MOutput Price:Output: $0.30/1M
novita logo
Novita
Input Price:Input: $0.10/1MOutput Price:Output: $0.44/1M
fireworks logo
Fireworks
Input Price:Input: $0.89/1MOutput Price:Output: $0.89/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (131,072 tokens)
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (71.5% vs 65.8%)
Alibaba Cloud / Qwen Team

Qwen3 30B A3B

View details

Alibaba Cloud / Qwen Team

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT OSS 20B
Alibaba Cloud / Qwen Team
Qwen3 30B A3B

FAQ

Common questions about GPT OSS 20B vs Qwen3 30B A3B

GPT OSS 20B significantly outperforms across most benchmarks. GPT OSS 20B is made by OpenAI and Qwen3 30B A3B is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT OSS 20B scores MMLU: 85.3%, CodeForces: 74.3%, GPQA: 71.5%, TAU-bench Retail: 54.8%, HealthBench: 42.5%. Qwen3 30B A3B scores Arena Hard: 91.0%, AIME 2024: 80.4%, LiveBench: 74.3%, Multi-IF: 72.2%, AIME 2025: 70.9%.
GPT OSS 20B is 2.0x cheaper for input tokens. GPT OSS 20B costs $0.05/M input and $0.20/M output via novita. Qwen3 30B A3B costs $0.10/M input and $0.30/M output via deepinfra.
GPT OSS 20B supports 131K tokens and Qwen3 30B A3B supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (131K vs 128K), input pricing ($0.05 vs $0.10/M). See the full comparison above for benchmark-by-benchmark results.
GPT OSS 20B is developed by OpenAI and Qwen3 30B A3B is developed by Alibaba Cloud / Qwen Team.