IBM Granite 4.2 8B vs Kimi K3: Specs & Benchmark Comparison
IBM Granite 4.2 8B is developed by IBM, while Kimi K3 comes from Moonshot AI. Kimi K3 was released in July 2026, and IBM Granite 4.2 8B followed a month later in August 2026. Kimi K3 is the larger model at roughly 2.8 trillion parameters, against 8 billion for IBM Granite 4.2 8B.
We have 18 benchmark results for IBM Granite 4.2 8B and 3 benchmark results for Kimi K3, but they overlap on a single test: GPQA, where Kimi K3 scores 94.0% against 64.1%.
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 IBM Granite 4.2 8B, so pricing and context cannot be compared directly.
| Characteristic | IBM Granite 4.2 8B | Kimi K3 |
|---|---|---|
| Company | IBM | Moonshot AI |
| Release Date | August 25, 2026 | July 16, 2026 |
| Parameters | 8B | 2.8T |
| Multimodal | No | Yes |
| Context (input) | — | 1.0M |
| Context (output) | — | 1.0M |
| Input Price / 1M | — | $3.00 |
| Output Price / 1M | — | $15.00 |
| Average Score | 56.7% | 95.7% |
| Benchmarks | ||
| GPQA | 64.1% | 94.0% |
Visual Benchmark Comparison
Verdict
IBM Granite 4.2 8B leads in 1 out of 2 comparison categories.
Both models show comparable average scores: IBM Granite 4.2 8B — 0.6, Kimi K3 — 1.0.
IBM Granite 4.2 8B is newer: released 8/25/2026 vs 7/16/2026.
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Frequently Asked Questions
Which is better for coding — IBM Granite 4.2 8B or Kimi K3?
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The IBM Granite 4.2 8B 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 IBM Granite 4.2 8B or Kimi K3 page. See also the complete list of AI model comparisons.