Kimi K3 vs Qwen3.8-27B: Specs & Benchmark Comparison
Kimi K3 is developed by Moonshot AI, while Qwen3.8-27B comes from Alibaba. Kimi K3 was released in July 2026, and Qwen3.8-27B followed a month later in August 2026. Kimi K3 is the larger model at roughly 2.8 trillion parameters, against 28 billion for Qwen3.8-27B.
The two models share 2 published benchmarks. Kimi K3 leads on 2 of them. The widest gaps are on GPQA, where Kimi K3 scores 94.0% against 89.2%; MathVision, where Kimi K3 scores 98.0% against 94.6%. Averaged across everything we track, Kimi K3 sits at 95.7% and Qwen3.8-27B at 66.3%.
Kimi K3 is available through an API at $3 per million input tokens with a 1M-token context window. We do not track a hosted API for Qwen3.8-27B, so pricing and context cannot be compared directly.
| Characteristic | Kimi K3 | Qwen3.8-27B |
|---|---|---|
| Company | Moonshot AI | Alibaba |
| Release Date | July 16, 2026 | August 14, 2026 |
| Parameters | 2.8T | 28B |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | — |
| Context (output) | 1.0M | — |
| Input Price / 1M | $3.00 | — |
| Output Price / 1M | $15.00 | — |
| Average Score | 95.7% | 66.3% |
| Benchmarks | ||
| GPQA | 94.0% | 89.2% |
| MathVision | 98.0% | 94.6% |
Visual Benchmark Comparison
Verdict
Qwen3.8-27B leads in 1 out of 2 comparison categories.
Both models show comparable average scores: Kimi K3 — 1.0, 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 — Kimi K3 or Qwen3.8-27B?
Which model is cheaper — Kimi K3 or Qwen3.8-27B?
Which has a larger context window — Kimi K3 or Qwen3.8-27B?
The Kimi K3 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 Kimi K3 or Qwen3.8-27B page. See also the complete list of AI model comparisons.