Granite 4.1 8B vs Synth 2.5 Flash Preview
Granite 4.1 8B is cheaper on output tokens, while Granite 4.1 8B offers a larger context window. Choose Granite 4.1 8B or Synth 2.5 Flash Preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Granite 4.1 8B | Synth 2.5 Flash Preview |
|---|---|---|
| Provider | IBM | NanoGPT |
| Input / 1M tokens | $0.05 | $0.03 |
| Output / 1M tokens | $0.10 | $0.10 |
| Context window | 131K | 30K |
| Parameters | — | — |
| Open weights | — | No |
| Released | — | Sep 2026 |
| LMArena (Chatbot Arena) Elo score | 1290 | — |
| LMArena WebDev Elo score | 1193 | — |
FAQ
Is Granite 4.1 8B or Synth 2.5 Flash Preview cheaper?
Granite 4.1 8B is cheaper on output tokens ($0.10 vs $0.10 per 1M).
Which has the larger context window, Granite 4.1 8B or Synth 2.5 Flash Preview?
Granite 4.1 8B has the larger context window (131K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.