Grok 4.5 vs Qwen3.8-27B: Specs & Benchmark Comparison
Grok 4.5 is developed by xAI, while Qwen3.8-27B comes from Alibaba. Grok 4.5 was released in July 2026, and Qwen3.8-27B followed a month later in August 2026. Qwen3.8-27B has a published size of about 28 billion parameters; xAI has not disclosed the parameter count of Grok 4.5.
The two models share 4 published benchmarks. Grok 4.5 leads on 4 of them. The widest gaps are on DeepSWE 1.1, where Grok 4.5 scores 54.0% against 42.2%; Terminal-Bench 2.1, where Grok 4.5 scores 83.0% against 73.0%. Averaged across everything we track, Grok 4.5 sits at 52.9% and Qwen3.8-27B at 66.3%.
Grok 4.5 is available through an API at $2 per million input tokens with a 500K-token context window. We do not track a hosted API for Qwen3.8-27B, so pricing and context cannot be compared directly.
| Characteristic | Grok 4.5 | Qwen3.8-27B |
|---|---|---|
| Company | xAI | Alibaba |
| Release Date | July 16, 2026 | August 14, 2026 |
| Parameters | — | 28B |
| Multimodal | Yes | Yes |
| Context (input) | 500K | — |
| Input Price / 1M | $2.00 | — |
| Output Price / 1M | $6.00 | — |
| Average Score | 52.9% | 66.3% |
| Benchmarks | ||
| DeepSWE 1.1 | 54.0% | 42.2% |
| Terminal-Bench 2.1 | 83.0% | 73.0% |
| GPQA | 93.0% | 89.2% |
| SWE-Bench Pro | 65.0% | 61.7% |
Visual Benchmark Comparison
Verdict
Qwen3.8-27B leads in 1 out of 2 comparison categories.
Both models show comparable average scores: Grok 4.5 — 0.5, Qwen3.8-27B — 0.7.
Qwen3.8-27B is newer: released 8/14/2026 vs 7/16/2026.
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Frequently Asked Questions
Which is better for coding — Grok 4.5 or Qwen3.8-27B?
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The Grok 4.5 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 Grok 4.5 or Qwen3.8-27B page. See also the complete list of AI model comparisons.