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Granite 4.0 Micro vs Synth 2.5 Flash Preview

Synth 2.5 Flash Preview is cheaper on output tokens, while Granite 4.0 Micro offers a larger context window. Choose Granite 4.0 Micro or Synth 2.5 Flash Preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGranite 4.0 MicroSynth 2.5 Flash Preview
ProviderIBMNanoGPT
Input / 1M tokens$0.02$0.03
Output / 1M tokens$0.11$0.10
Context window131K30K
Parameters——
Open weights—No
Released—Sep 2026
GPQA Diamond score28.3—

FAQ

Is Granite 4.0 Micro or Synth 2.5 Flash Preview cheaper?

Synth 2.5 Flash Preview is cheaper on output tokens ($0.10 vs $0.11 per 1M).

Which has the larger context window, Granite 4.0 Micro or Synth 2.5 Flash Preview?

Granite 4.0 Micro 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.