Model Comparison
Claude Sonnet 4 vs Qwen3 30B A3BWhich is better in 2026?
Both models are evenly matched across the benchmarks. Qwen3 30B A3B is 40.0x cheaper per token.
Verdict: Claude Sonnet 4 vs Qwen3 30B A3B — which is better?
Claude Sonnet 4 (by Anthropic) and Qwen3 30B A3B (by Alibaba Cloud / Qwen Team) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Claude Sonnet 4 outperforms in 1 benchmarks (GPQA), while Qwen3 30B A3B is better at 1 benchmark (AIME 2025). Both models are evenly matched across the benchmarks.
On price, Qwen3 30B A3B is roughly 40.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude Sonnet 4 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude Sonnet 4 if…
- you process long inputs — it offers a 200,000 token context window
- you want the most recent training data — it shipped May 2025
Choose Qwen3 30B A3B if…
- cost matters — it's about 40.0x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Claude Sonnet 4 outperforms in 1 benchmarks (GPQA), while Qwen3 30B A3B is better at 1 benchmark (AIME 2025).
Both models are evenly matched across the benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Sonnet 4 ($3.00/1M tokens) is 30.0x more expensive than Qwen3 30B A3B ($0.10/1M tokens).
For output processing, Claude Sonnet 4 ($15.00/1M tokens) is 50.0x more expensive than Qwen3 30B A3B ($0.30/1M tokens).
In conclusion, Claude Sonnet 4 is more expensive than Qwen3 30B A3B.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Sonnet 4 accepts 200,000 input tokens compared to Qwen3 30B A3B's 128,000 tokens. Qwen3 30B A3B can generate longer responses up to 128,000 tokens, while Claude Sonnet 4 is limited to 64,000 tokens.
Input Capabilities
Supported data types and modalities
Claude Sonnet 4 supports multimodal inputs, whereas Qwen3 30B A3B does not.
Claude Sonnet 4 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Sonnet 4
Qwen3 30B A3B
License
Usage and distribution terms
Claude Sonnet 4 is licensed under a proprietary license, while Qwen3 30B A3B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Claude Sonnet 4 was released on 2025-05-22, while Qwen3 30B A3B was released on 2025-04-29.
Claude Sonnet 4 is 1 month newer than Qwen3 30B A3B.
May 22, 2025
1.1 years ago
3w newerApr 29, 2025
1.2 years 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
Claude Sonnet 4 is available from Anthropic, Bedrock, Google. Qwen3 30B A3B is available from DeepInfra, Novita, Fireworks.
Claude Sonnet 4
Qwen3 30B A3B
Outputs Comparison
Key Takeaways
Claude Sonnet 4
View detailsAnthropic
Qwen3 30B A3B
View detailsAlibaba Cloud / Qwen Team
Claude Sonnet 4
Qwen3 30B A3BDetailed Comparison
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FAQ
Common questions about Claude Sonnet 4 vs Qwen3 30B A3B.