Gemini 4 Argon vs Kimi K3: Specs & Benchmark Comparison
Gemini 4 Argon is developed by Google, while Kimi K3 comes from Moonshot AI. Kimi K3 was released in July 2026, and Gemini 4 Argon followed 2 months later in September 2026. Kimi K3 has a published size of about 2.8 trillion parameters; Google has not disclosed the parameter count of Gemini 4 Argon.
The two models share 3 published benchmarks. Gemini 4 Argon leads on 3 of them. The widest gaps are on AutomationBench, where Gemini 4 Argon scores 51.3% against 30.8%; DeepSWE 1.1, where Gemini 4 Argon scores 77.9% against 69.0%. Averaged across everything we track, Gemini 4 Argon sits at 67.3% and Kimi K3 at 67.8%.
Kimi K3 is available through an API at $3 per million input tokens with a 1M-token context window. We do not track a hosted API for Gemini 4 Argon, so pricing and context cannot be compared directly.
| Characteristic | Gemini 4 Argon | Kimi K3 |
|---|---|---|
| Company | Moonshot AI | |
| Release Date | September 30, 2026 | July 16, 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 | 67.3% | 67.8% |
| Benchmarks | ||
| AutomationBench | 51.3% | 30.8% |
| DeepSWE 1.1 | 77.9% | 69.0% |
| PostTrainBench | 45.3% | 36.6% |
Visual Benchmark Comparison
Verdict
Gemini 4 Argon leads in 1 out of 2 comparison categories.
Both models show comparable average scores: Gemini 4 Argon — 0.7, Kimi K3 — 0.7.
Gemini 4 Argon is newer: released 9/30/2026 vs 7/16/2026.
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Frequently Asked Questions
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The Gemini 4 Argon 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 Gemini 4 Argon or Kimi K3 page. See also the complete list of AI model comparisons.