Grok-4 Heavy vs Qwen3.5 27B: Specs & Benchmark Comparison

CharacteristicGrok-4 HeavyQwen3.5 27B
CompanyxAIAlibaba
Release DateJuly 8, 2025March 1, 2026
Parameters27B
MultimodalYesNo
Average Score0.80.9

Verdict

Qwen3.5 27B leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: Grok-4 Heavy — 0.8, Qwen3.5 27B — 0.9.

Recency

Qwen3.5 27B is newer: released 3/1/2026 vs 7/8/2025.

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Frequently Asked Questions

Which is better for coding — Grok-4 Heavy or Qwen3.5 27B?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Grok-4 Heavy or Qwen3.5 27B?
API pricing data is available on the individual model pages.
Which has a larger context window — Grok-4 Heavy or Qwen3.5 27B?
Context window data is available on the individual model pages.

The Grok-4 Heavy and Qwen3.5 27B comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Grok-4 Heavy or Qwen3.5 27B page. See also the complete list of AI model comparisons.