Claude Sonnet 5 vs Qwen3.8-27B: Specs & Benchmark Comparison

CharacteristicClaude Sonnet 5Qwen3.8-27B
CompanyAnthropicAlibaba
Release DateJune 30, 2026August 14, 2026
Parameters28B
MultimodalYesYes
Context (input)1.0M
Context (output)64K
Input Price / 1M$2.00
Output Price / 1M$10.00
Average Score0.60.7
Benchmarks
Humanity's Last Exam0.60.3
DeepSWE 1.10.50.4
SWE-Bench Multimodal0.30.4
OSWorld-Verified0.80.8
CharXiv-R0.90.9
SWE-Bench Pro0.60.6

Visual Benchmark Comparison

Claude Sonnet 5
Qwen3.8-27B
Humanity's Last Exam0.6 vs 0.3
0.6
0.3
DeepSWE 1.10.5 vs 0.4
0.5
0.4
SWE-Bench Multimodal0.3 vs 0.4
0.3
0.4
OSWorld-Verified0.8 vs 0.8
0.8
0.8
CharXiv-R0.9 vs 0.9
0.9
0.9
SWE-Bench Pro0.6 vs 0.6
0.6
0.6

Verdict

Qwen3.8-27B leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: Claude Sonnet 5 — 0.6, Qwen3.8-27B — 0.7.

Recency

Qwen3.8-27B is newer: released 8/14/2026 vs 6/30/2026.

More About These Models

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Frequently Asked Questions

Which is better for coding — Claude Sonnet 5 or Qwen3.8-27B?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude Sonnet 5 or Qwen3.8-27B?
API pricing data is available on the individual model pages.
Which has a larger context window — Claude Sonnet 5 or Qwen3.8-27B?
Context window data is available on the individual model pages.

The Claude Sonnet 5 and Qwen3.8-27B comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Sonnet 5 or Qwen3.8-27B page. See also the complete list of AI model comparisons.