Grok 4.6 vs Kimi K3: Specs & Benchmark Comparison
| Characteristic | Grok 4.6 | Kimi K3 |
|---|---|---|
| Company | xAI | Moonshot AI |
| Release Date | August 12, 2026 | July 16, 2026 |
| Parameters | — | 2.8T |
| Multimodal | Yes | Yes |
| Context (input) | 500K | 1.0M |
| Context (output) | — | 1.0M |
| Input Price / 1M | $2.00 | $3.00 |
| Output Price / 1M | $6.00 | $15.00 |
| Average Score | 0.6 | 1.0 |
Verdict
Grok 4.6 leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Grok 4.6 — 0.6, Kimi K3 — 1.0.
API Cost
Grok 4.6 is 2.3x cheaper: input $2.00/1M vs $3.00/1M tokens.
Context Window
Kimi K3 supports a larger context: 1M vs 500K tokens.
Recency
Grok 4.6 is newer: released 8/12/2026 vs 7/16/2026.
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Frequently Asked Questions
Which is better for coding — Grok 4.6 or Kimi K3?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Grok 4.6 or Kimi K3?
Grok 4.6 is cheaper for input: $2.00 per 1M tokens vs $3.00.
Which has a larger context window — Grok 4.6 or Kimi K3?
Kimi K3 supports a larger context: 1,000,000 tokens vs 500,000.
The Grok 4.6 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 Grok 4.6 or Kimi K3 page. See also the complete list of AI model comparisons.