Model Comparison

Claude Sonnet 4.6 vs Qwen3.5-397B-A17B

Claude Sonnet 4.6 significantly outperforms across most benchmarks. Qwen3.5-397B-A17B is 4.4x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

Claude Sonnet 4.6 outperforms in 6 benchmarks (BrowseComp, GPQA, Humanity's Last Exam, MMMLU, SWE-Bench Verified, Terminal-Bench 2.0), while Qwen3.5-397B-A17B is better at 0 benchmarks.

Claude Sonnet 4.6 significantly outperforms across most benchmarks.

Tue Apr 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Qwen3.5-397B-A17B costs less

For input processing, Claude Sonnet 4.6 ($3.00/1M tokens) is 5.0x more expensive than Qwen3.5-397B-A17B ($0.60/1M tokens).

For output processing, Claude Sonnet 4.6 ($15.00/1M tokens) is 4.2x more expensive than Qwen3.5-397B-A17B ($3.60/1M tokens).

In conclusion, Claude Sonnet 4.6 is more expensive than Qwen3.5-397B-A17B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Apr 07 2026 • llm-stats.com
Anthropic
Claude Sonnet 4.6
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input tokens$0.60
Output tokens$3.60
Best providerNovita
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Qwen3.5-397B-A17B accepts 262,144 input tokens compared to Claude Sonnet 4.6's 200,000 tokens. Both models can generate responses up to 64,000 tokens.

Anthropic
Claude Sonnet 4.6
Input200,000 tokens
Output64,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input262,144 tokens
Output64,000 tokens
Tue Apr 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 4.6 and Qwen3.5-397B-A17B support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Sonnet 4.6

Text
Images
Audio
Video

Qwen3.5-397B-A17B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 4.6 is licensed under a proprietary license, while Qwen3.5-397B-A17B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Claude Sonnet 4.6

Proprietary

Closed source

Qwen3.5-397B-A17B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Sonnet 4.6 was released on 2026-02-17, while Qwen3.5-397B-A17B was released on 2026-02-16.

Claude Sonnet 4.6 is 0 month newer than Qwen3.5-397B-A17B.

Claude Sonnet 4.6

Feb 17, 2026

1 months ago

1d newer
Qwen3.5-397B-A17B

Feb 16, 2026

1 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

Claude Sonnet 4.6 is available from Anthropic. Qwen3.5-397B-A17B is available from Novita.

Claude Sonnet 4.6

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Qwen3.5-397B-A17B

novita logo
Novita
Input Price:Input: $0.60/1MOutput Price:Output: $3.60/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Higher BrowseComp score (74.7% vs 69.0%)
Higher GPQA score (89.9% vs 88.4%)
Higher Humanity's Last Exam score (49.0% vs 28.7%)
Higher MMMLU score (89.3% vs 88.5%)
Higher SWE-Bench Verified score (79.6% vs 76.4%)
Higher Terminal-Bench 2.0 score (59.1% vs 52.5%)
Alibaba Cloud / Qwen Team

Qwen3.5-397B-A17B

View details

Alibaba Cloud / Qwen Team

Larger context window (262,144 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4.6
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B

FAQ

Common questions about Claude Sonnet 4.6 vs Qwen3.5-397B-A17B

Claude Sonnet 4.6 significantly outperforms across most benchmarks. Claude Sonnet 4.6 is made by Anthropic and Qwen3.5-397B-A17B is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude Sonnet 4.6 scores Tau2 Telecom: 97.9%, Tau2 Retail: 91.7%, GPQA: 89.9%, MMMLU: 89.3%, SWE-Bench Verified: 79.6%. Qwen3.5-397B-A17B scores MMLU-Redux: 94.9%, HMMT 2025: 94.8%, C-Eval: 93.0%, HMMT25: 92.7%, IFEval: 92.6%.
Qwen3.5-397B-A17B is 5.0x cheaper for input tokens. Claude Sonnet 4.6 costs $3.00/M input and $15.00/M output via anthropic. Qwen3.5-397B-A17B costs $0.60/M input and $3.60/M output via novita.
Claude Sonnet 4.6 supports 200K tokens and Qwen3.5-397B-A17B supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 262K), input pricing ($3.00 vs $0.60/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.
Claude Sonnet 4.6 is developed by Anthropic and Qwen3.5-397B-A17B is developed by Alibaba Cloud / Qwen Team.