Grok 4.6 vs Kimi K2-Thinking-0905: Specs & Benchmark Comparison
| Characteristic | Grok 4.6 | Kimi K2-Thinking-0905 |
|---|---|---|
| Company | xAI | Moonshot AI |
| Release Date | August 12, 2026 | September 4, 2025 |
| Parameters | — | 1.0T |
| Multimodal | Yes | No |
| Context (input) | 500K | 262K |
| Context (output) | — | 66K |
| Input Price / 1M | $2.00 | $0.60 |
| Output Price / 1M | $6.00 | $2.40 |
| Average Score | 0.6 | 0.9 |
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 K2-Thinking-0905 — 0.9.
API Cost
Kimi K2-Thinking-0905 is 2.7x cheaper: input $0.60/1M vs $2.00/1M tokens.
Context Window
Grok 4.6 supports a larger context: 500K vs 262K tokens.
Recency
Grok 4.6 is newer: released 8/12/2026 vs 9/4/2025.
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Frequently Asked Questions
Which is better for coding — Grok 4.6 or Kimi K2-Thinking-0905?
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 K2-Thinking-0905?
Kimi K2-Thinking-0905 is cheaper for input: $0.60 per 1M tokens vs $2.00.
Which has a larger context window — Grok 4.6 or Kimi K2-Thinking-0905?
Grok 4.6 supports a larger context: 500,000 tokens vs 262,144.
The Grok 4.6 and Kimi K2-Thinking-0905 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 K2-Thinking-0905 page. See also the complete list of AI model comparisons.