Granite 4.2 30B vs o3-pro

This comparison does not currently contain a protocol-matched coding benchmark for both Granite 4.2 30B and o3-pro, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Granite 4.2 30B is $0.16 and o3-pro is $20.00 per million tokens, so Granite 4.2 30B is cheaper on this metric. Granite 4.2 30B is $0.65 and o3-pro is $80.00 per million tokens, so Granite 4.2 30B is cheaper on this metric.

o3-pro has the larger sourced context window. Granite 4.2 30B supports 131K and o3-pro supports 200K.

There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.

Granite 4.2 30B is the only model in this pair currently marked as self-hostable. Granite 4.2 30B is open weight; o3-pro is not marked open weight.

Granite 4.2 30B is not documented with image input; o3-pro is documented with image input. This reflects supported input modalities, not vision quality.

Neither has a larger sourced maximum output. Granite 4.2 30B is — and o3-pro is 100K.

Granite 4.2 30B: reasoning and tool calling. o3-pro: reasoning, tool calling, and image input. Feature support does not establish relative quality.

Granite 4.2 30B has 1 sourced provider route; o3-pro has 2, so o3-pro has broader tracked availability.

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.