Model Comparison

Claude Sonnet 4.5 vs Qwen3.7-PlusWhich is better in 2026?

Both models are evenly matched across the benchmarks. Qwen3.7-Plus is 10.7x cheaper per token.

Verdict: Claude Sonnet 4.5 vs Qwen3.7-Plus — which is better?

Claude Sonnet 4.5 (by Anthropic) and Qwen3.7-Plus (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 4.5 outperforms in 1 benchmarks (MMMLU), while Qwen3.7-Plus is better at 1 benchmark (GPQA). Both models are evenly matched across the benchmarks.

On price, Qwen3.7-Plus is roughly 10.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Qwen3.7-Plus also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Sonnet 4.5 if…

  • you want predictable pricing at $3.00/M input and $15.00/M output

Choose Qwen3.7-Plus if…

  • cost matters — it's about 10.7x cheaper per token
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped May 2026

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude Sonnet 4.5 outperforms in 1 benchmarks (MMMLU), while Qwen3.7-Plus is better at 1 benchmark (GPQA).

Both models are evenly matched across the benchmarks.

Sun Jul 26 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Qwen3.7-Plus costs less

For input processing, Claude Sonnet 4.5 ($3.00/1M tokens) is 9.4x more expensive than Qwen3.7-Plus ($0.32/1M tokens).

For output processing, Claude Sonnet 4.5 ($15.00/1M tokens) is 11.7x more expensive than Qwen3.7-Plus ($1.28/1M tokens).

In conclusion, Claude Sonnet 4.5 is more expensive than Qwen3.7-Plus.*

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

Lowest available price from all providers
Sun Jul 26 2026 • llm-stats.com
Anthropic
Claude Sonnet 4.5
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
Alibaba Cloud / Qwen Team
Qwen3.7-Plus
Input tokens$0.32
Output tokens$1.28
Best providerTogether
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Qwen3.7-Plus accepts 1,000,000 input tokens compared to Claude Sonnet 4.5's 200,000 tokens. Qwen3.7-Plus can generate longer responses up to 65,536 tokens, while Claude Sonnet 4.5 is limited to 64,000 tokens.

Anthropic
Claude Sonnet 4.5
Input200,000 tokens
Output64,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.7-Plus
Input1,000,000 tokens
Output65,536 tokens
Sun Jul 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 4.5 and Qwen3.7-Plus support multimodal inputs.

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

Claude Sonnet 4.5

Text
Images
Audio
Video

Qwen3.7-Plus

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Sonnet 4.5

Proprietary

Closed source

Qwen3.7-Plus

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Sonnet 4.5 was released on 2025-09-29, while Qwen3.7-Plus was released on 2026-05-31.

Qwen3.7-Plus is 8 months newer than Claude Sonnet 4.5.

Claude Sonnet 4.5

Sep 29, 2025

9 months ago

Qwen3.7-Plus

May 31, 2026

1 months ago

8mo newer

Knowledge Cutoff

When training data ends

Claude Sonnet 4.5 has a documented knowledge cutoff of 2025-01-31, while Qwen3.7-Plus's cutoff date is not specified.

We can confirm Claude Sonnet 4.5's training data extends to 2025-01-31, but cannot make a direct comparison without Qwen3.7-Plus's cutoff date.

Claude Sonnet 4.5

Jan 2025

Qwen3.7-Plus

—

Provider Availability

Claude Sonnet 4.5 is available from Anthropic. Qwen3.7-Plus is available from Together.

Claude Sonnet 4.5

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

Qwen3.7-Plus

together logo
Together
Input Price:Input: $0.32/1MOutput Price:Output: $1.28/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Higher MMMLU score (89.1% vs 89.0%)
Alibaba Cloud / Qwen Team

Qwen3.7-Plus

View details

Alibaba Cloud / Qwen Team

Larger context window (1,000,000 tokens)
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (90.3% vs 83.4%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Sonnet 4.5 and Qwen3.7-Plus side-by-side, then vote on the output you prefer.

Claude Sonnet 4.5
✓ Preferred
Qwen3.7-Plus
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4.5
Alibaba Cloud / Qwen Team
Qwen3.7-Plus

FAQ

Common questions about Claude Sonnet 4.5 vs Qwen3.7-Plus.

Which is better, Claude Sonnet 4.5 or Qwen3.7-Plus?

Both models are evenly matched across the benchmarks. Claude Sonnet 4.5 is made by Anthropic and Qwen3.7-Plus is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Sonnet 4.5 compare to Qwen3.7-Plus in benchmarks?

Claude Sonnet 4.5 scores MMMLU: 89.1%, AIME 2025: 87.0%, TAU-bench Retail: 86.2%, GPQA: 83.4%, MMMUval: 77.8%. Qwen3.7-Plus scores IFEval: 94.6%, MMLU-Redux: 94.5%, HMMT Feb 26: 92.9%, MRCR v2: 91.7%, OmniDocBench 1.5: 91.4%.

Is Claude Sonnet 4.5 cheaper than Qwen3.7-Plus?

Qwen3.7-Plus is 9.4x cheaper for input tokens. Claude Sonnet 4.5 costs $3.00/M input and $15.00/M output via anthropic. Qwen3.7-Plus costs $0.32/M input and $1.28/M output via together.

What are the context window sizes for Claude Sonnet 4.5 and Qwen3.7-Plus?

Claude Sonnet 4.5 supports 200K tokens and Qwen3.7-Plus supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Sonnet 4.5 and Qwen3.7-Plus?

Key differences include context window (200K vs 1.0M), input pricing ($3.00 vs $0.32/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 4.5 and Qwen3.7-Plus?

Claude Sonnet 4.5 is developed by Anthropic and Qwen3.7-Plus is developed by Alibaba Cloud / Qwen Team.

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