Pyyan / Compare / Granite 4.2 vs DeepSeek V4.1 Flash
Granite 4.2 vs DeepSeek V4.1 Flash
2 of 5Open-Weight Models · verified 13 Sept 2026
Granite 4.2IBMcurrentDeepSeek V4.1 FlashDeepSeekcurrent
| Specification | Granite 4.2 | DeepSeek V4.1 Flash |
|---|---|---|
| Summary | 3B, 8B and 30B under Apache 2.0, with a switch that turns the reasoning off. | Twice the parameters of the Flash it replaces, and cheaper to run. |
| Context | 131K, 512K extension claimed | 1M |
| Input ($/Mtok) | Weights only | $0.3 |
| Output ($/Mtok) | Weights only | $1.2 |
| Licence | Apache 2.0 | MIT |
| Max output | 32K | 256K |
| Parameters | 3B, 8B and 30B dense | 552B total, 8B / 16B active |
| Released | 25 Aug 2026 | 10 Sep 2026 |
| Model ID | ibm-granite/granite-4.2 | deepseek-flash |
| Category | Open-Weight Models | Open-Weight Models |
| Official | — | DeepSeek ↗ |
Highlighted rows are where these differ.
Granite 4.2
- Three sizes, 3B, 8B and 30B, all dense and all Apache 2.0
- A thinking switch, so one checkpoint either reasons step by step or answers directly
- 30B scores 57.0 on SWE-bench Verified and 81.38 on RULER at 128K; the 8B scores 47.67
Best for enterprise on your own hardware.
DeepSeek V4.1 Flash
- 552B total, 8B active while reading the prompt and 16B while generating, with a 1M token context
- DeepSeek says it beats V4-Pro; V4-Pro requests route to it from 14 September 2026
- MIT licence, native image input, and a KV cache about a quarter the size of V4-Flash's
Best for cheap agentic coding with images.