Model Comparison

Claude Sonnet 4.6 vs Qwen3.5-27B

Claude Sonnet 4.6 significantly outperforms across most benchmarks. Qwen3.5-27B is 7.3x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

7 benchmarks

Claude Sonnet 4.6 outperforms in 7 benchmarks (BrowseComp, GPQA, Humanity's Last Exam, MMMLU, MMMU-Pro, SWE-Bench Verified, Terminal-Bench 2.0), while Qwen3.5-27B is better at 0 benchmarks.

Claude Sonnet 4.6 significantly outperforms across most benchmarks.

Fri Apr 10 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Qwen3.5-27B costs less

For input processing, Claude Sonnet 4.6 ($3.00/1M tokens) is 10.0x more expensive than Qwen3.5-27B ($0.30/1M tokens).

For output processing, Claude Sonnet 4.6 ($15.00/1M tokens) is 6.3x more expensive than Qwen3.5-27B ($2.40/1M tokens).

In conclusion, Claude Sonnet 4.6 is more expensive than Qwen3.5-27B.*

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

Lowest available price from all providers
Fri Apr 10 2026 • llm-stats.com
Anthropic
Claude Sonnet 4.6
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
Alibaba Cloud / Qwen Team
Qwen3.5-27B
Input tokens$0.30
Output tokens$2.40
Best providerNovita
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Qwen3.5-27B accepts 262,144 input tokens compared to Claude Sonnet 4.6's 200,000 tokens. Qwen3.5-27B can generate longer responses up to 65,536 tokens, while Claude Sonnet 4.6 is limited to 64,000 tokens.

Anthropic
Claude Sonnet 4.6
Input200,000 tokens
Output64,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.5-27B
Input262,144 tokens
Output65,536 tokens
Fri Apr 10 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 4.6 and Qwen3.5-27B 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

Qwen3.5-27B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 4.6 is licensed under a proprietary license, while Qwen3.5-27B 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

Qwen3.5-27B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Sonnet 4.6 was released on 2026-02-17, while Qwen3.5-27B was released on 2026-02-24.

Qwen3.5-27B is 0 month newer than Claude Sonnet 4.6.

Claude Sonnet 4.6

Feb 17, 2026

1 months ago

Qwen3.5-27B

Feb 24, 2026

1 months ago

1w newer

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. Qwen3.5-27B is available from Novita.

Claude Sonnet 4.6

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

Qwen3.5-27B

novita logo
Novita
Input Price:Input: $0.30/1MOutput Price:Output: $2.40/1M
* 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 61.0%)
Higher GPQA score (89.9% vs 85.5%)
Higher Humanity's Last Exam score (49.0% vs 48.5%)
Higher MMMLU score (89.3% vs 85.9%)
Higher MMMU-Pro score (75.6% vs 75.0%)
Higher SWE-Bench Verified score (79.6% vs 72.4%)
Higher Terminal-Bench 2.0 score (59.1% vs 41.6%)
Alibaba Cloud / Qwen Team

Qwen3.5-27B

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
Qwen3.5-27B

FAQ

Common questions about Claude Sonnet 4.6 vs Qwen3.5-27B

Claude Sonnet 4.6 significantly outperforms across most benchmarks. Claude Sonnet 4.6 is made by Anthropic and Qwen3.5-27B 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%. Qwen3.5-27B scores CountBench: 97.8%, VLMsAreBlind: 96.9%, IFEval: 95.0%, V*: 93.7%, MMLU-Redux: 93.2%.
Qwen3.5-27B is 10.0x cheaper for input tokens. Claude Sonnet 4.6 costs $3.00/M input and $15.00/M output via anthropic. Qwen3.5-27B costs $0.30/M input and $2.40/M output via novita.
Claude Sonnet 4.6 supports 200K tokens and Qwen3.5-27B 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 $0.30/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 Qwen3.5-27B is developed by Alibaba Cloud / Qwen Team.