DeepSeek-V4-Flash-Vision-Exp vs Kimi K3: Specs & Benchmark Comparison
DeepSeek-V4-Flash-Vision-Exp is developed by DeepSeek, while Kimi K3 comes from Moonshot AI. Kimi K3 was released in July 2026, and DeepSeek-V4-Flash-Vision-Exp followed a month later in August 2026. Kimi K3 has a published size of about 2.8 trillion parameters; DeepSeek has not disclosed the parameter count of DeepSeek-V4-Flash-Vision-Exp.
The two models share 4 published benchmarks. Kimi K3 leads on 4 of them. The widest gaps are on DeepSWE, where Kimi K3 scores 67.5% against 59.3%; ZEROBench, where Kimi K3 scores 41.0% against 35.0%. Averaged across everything we track, DeepSeek-V4-Flash-Vision-Exp sits at 50.4% and Kimi K3 at 67.8%.
DeepSeek-V4-Flash-Vision-Exp is the cheaper API at $0.22 per million input tokens and $0.66 per million output tokens, roughly 14 times cheaper than Kimi K3 at $3 and $15. Both accept a context window of about 1M tokens. Both accept text and images as input. On tooling, only Kimi K3 supports function calling and only Kimi K3 offers structured output.
| Characteristic | DeepSeek-V4-Flash-Vision-Exp | Kimi K3 |
|---|---|---|
| Company | DeepSeek | Moonshot AI |
| Release Date | August 21, 2026 | July 16, 2026 |
| Parameters | — | 2.8T |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 393K | 1.0M |
| Input Price / 1M | $0.22 | $3.00 |
| Output Price / 1M | $0.66 | $15.00 |
| Average Score | 50.4% | 67.8% |
| Benchmarks | ||
| DeepSWE | 59.3% | 67.5% |
| ZEROBench | 35.0% | 41.0% |
| AutomationBench | 25.7% | 30.8% |
| Terminal-Bench 2.1 | 83.9% | 88.3% |
Visual Benchmark Comparison
Verdict
DeepSeek-V4-Flash-Vision-Exp leads in 3 out of 4 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Flash-Vision-Exp — 0.5, Kimi K3 — 0.7.
DeepSeek-V4-Flash-Vision-Exp is 20.5x cheaper: input $0.22/1M vs $3.00/1M tokens.
DeepSeek-V4-Flash-Vision-Exp supports a larger context: 1M vs 1M tokens.
DeepSeek-V4-Flash-Vision-Exp is newer: released 8/21/2026 vs 7/16/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Flash-Vision-Exp or Kimi K3?
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Which has a larger context window — DeepSeek-V4-Flash-Vision-Exp or Kimi K3?
The DeepSeek-V4-Flash-Vision-Exp and Kimi K3 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V4-Flash-Vision-Exp or Kimi K3 page. See also the complete list of AI model comparisons.