Kimi K3 vs Seed 2.1 Pro: Specs & Benchmark Comparison
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| Characteristic | Kimi K3 | Seed 2.1 Pro |
|---|---|---|
| Company | Moonshot AI | ByteDance |
| Release Date | July 16, 2026 | June 24, 2026 |
| Parameters | 2.8T | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | — |
| Context (output) | 1.0M | — |
| Input Price / 1M | $3.00 | — |
| Output Price / 1M | $15.00 | — |
| Average Score | 1.0 | 0.6 |
| Benchmarks | ||
| MathVision | 1.0 | 0.9 |
Visual Benchmark Comparison
Kimi K3
Seed 2.1 Pro
MathVision1.0 vs 0.9
1.0
0.9
Verdict
Kimi K3 leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Kimi K3 — 1.0, Seed 2.1 Pro — 0.6.
Recency
Kimi K3 is newer: released 7/16/2026 vs 6/24/2026.
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Frequently Asked Questions
Which is better for coding — Kimi K3 or Seed 2.1 Pro?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Kimi K3 or Seed 2.1 Pro?
API pricing data is available on the individual model pages.
Which has a larger context window — Kimi K3 or Seed 2.1 Pro?
Context window data is available on the individual model pages.
The Kimi K3 and Seed 2.1 Pro 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 Seed 2.1 Pro page. See also the complete list of AI model comparisons.