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Claude Sonnet 4.5 vs Qwen3 32B

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Sonnet 4.5 and Qwen3 32B.

Anthropic

Claude Sonnet 4.5

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...

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Alibaba

Qwen3 32B

Qwen3-32B is a dense 32.8B parameter causal language model from the Qwen3 series, optimized for both complex reasoning and efficient dialogue. It supports seamless switching between a "thinking" mode for...

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Technical Specifications

SpecificationClaude Sonnet 4.5Qwen3 32B
ProviderAnthropicAlibaba
Context Window1,000,000 tokens131,072 tokens
Agent Suitability91/100N/A
Time to First Token (TTFT)380 msN/A
Deployment Modelmanaged apiself hostable
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-09-292025-04-28

API Pricing Comparison

Input Price per Million Tokens

Claude Sonnet 4.5

$3.00

Qwen3 32B

$0.08

Output Price per Million Tokens

Claude Sonnet 4.5

$15.00

Qwen3 32B

$0.28

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
8950.0%vsN/A
Claude Sonnet 4.5
Qwen3 32B
HumanEvalPython coding & logic synthesis
9280.0%vsN/A
Claude Sonnet 4.5
Qwen3 32B
MATHComplex mathematical problem solving
8000.0%vsN/A
Claude Sonnet 4.5
Qwen3 32B
GPQAGraduate-level expert reasoning
6250.0%vsN/A
Claude Sonnet 4.5
Qwen3 32B
HellaSwagCommonsense reasoning and inference
9580.0%vsN/A
Claude Sonnet 4.5
Qwen3 32B
MT-BenchMulti-turn conversation flow quality
930.0%vsN/A
Claude Sonnet 4.5
Qwen3 32B

Claude Sonnet 4.5 Quirks & Gotchas

  • Excellent for long-form writing and nuanced document analysis
  • Slightly slower than Sonnet 4.6 — upgrade for production agentic use

Qwen3 32B Quirks & Gotchas

No developer gotchas reported.