o3-pro vs Sonar Deep Research

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

o3-pro is $20.00 and Sonar Deep Research is $2.00 per million tokens, so Sonar Deep Research is cheaper on this metric. o3-pro is $80.00 and Sonar Deep Research is $8.00 per million tokens, so Sonar Deep Research is cheaper on this metric.

o3-pro has the larger sourced context window. o3-pro supports 200K and Sonar Deep Research supports 128K.

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

Both models have the same recorded self-hosting status: unsupported. o3-pro is not marked open weight; Sonar Deep Research is not marked open weight.

o3-pro is documented with image input; Sonar Deep Research is not documented with image input. This reflects supported input modalities, not vision quality.

Neither has a larger sourced maximum output. o3-pro is 100K and Sonar Deep Research is —.

o3-pro: reasoning, tool calling, and image input. Sonar Deep Research: reasoning. Feature support does not establish relative quality.

o3-pro has 2 sourced provider routes; Sonar Deep Research has 2, a tie.

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.