Kimi K3 vs Qwen3.8 Flash Next: Specs & Benchmark Comparison
Kimi K3 is developed by Moonshot AI, while Qwen3.8 Flash Next comes from Alibaba. Kimi K3 was released in July 2026, and Qwen3.8 Flash Next followed a month later in August 2026. Kimi K3 is the larger model at roughly 2.8 trillion parameters, against 180 billion for Qwen3.8 Flash Next.
We have 3 benchmark results for Kimi K3 and 9 benchmark results for Qwen3.8 Flash Next, but they overlap on a single test: GPQA, where Kimi K3 scores 94.0% against 91.7%.
Qwen3.8 Flash Next is the cheaper API at $0.16 per million input tokens and $0.47 per million output tokens, roughly 19 times cheaper than Kimi K3 at $3 and $15. Both accept a context window of about 1M tokens. Kimi K3 accepts text and images as input, while Qwen3.8 Flash Next accepts text, images, and video.
| Characteristic | Kimi K3 | Qwen3.8 Flash Next |
|---|---|---|
| Company | Moonshot AI | Alibaba |
| Release Date | July 16, 2026 | August 26, 2026 |
| Parameters | 2.8T | 180B |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 1.0M | 66K |
| Input Price / 1M | $3.00 | $0.16 |
| Output Price / 1M | $15.00 | $0.47 |
| Average Score | 95.7% | 69.7% |
| Benchmarks | ||
| GPQA | 94.0% | 91.7% |
Visual Benchmark Comparison
Verdict
Qwen3.8 Flash Next leads in 3 out of 4 comparison categories.
Both models show comparable average scores: Kimi K3 — 1.0, Qwen3.8 Flash Next — 0.7.
Qwen3.8 Flash Next is 28.6x cheaper: input $0.16/1M vs $3.00/1M tokens.
Qwen3.8 Flash Next supports a larger context: 1M vs 1M tokens.
Qwen3.8 Flash Next is newer: released 8/26/2026 vs 7/16/2026.
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Frequently Asked Questions
Which is better for coding — Kimi K3 or Qwen3.8 Flash Next?
Which model is cheaper — Kimi K3 or Qwen3.8 Flash Next?
Which has a larger context window — Kimi K3 or Qwen3.8 Flash Next?
The Kimi K3 and Qwen3.8 Flash Next 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 Flash Next page. See also the complete list of AI model comparisons.