Gemini Deep Research Max vs Gemini 3.1 Pro

This comparison does not currently contain a protocol-matched coding benchmark for both Gemini Deep Research Max and Gemini 3.1 Pro, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Only Gemini 3.1 Pro has a directly sourced input price: $2.00 per million tokens. Only Gemini 3.1 Pro has a directly sourced output price: $12.00 per million tokens.

Both models have the same sourced context window: 1,048,576 tokens each.

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 sourced self-hosting status: unsupported. Gemini Deep Research Max is not marked open weight; Gemini 3.1 Pro is not marked open weight.

Gemini Deep Research Max is documented with image input; Gemini 3.1 Pro is documented with image input. This reflects supported input modalities, not vision quality.

Both models have the same sourced maximum output: 65,536 tokens each.

Gemini Deep Research Max: reasoning, tool calling, and image input. Gemini 3.1 Pro: reasoning, tool calling, and image input. Feature support does not establish relative quality.

Gemini Deep Research Max has 2 sourced provider routes; Gemini 3.1 Pro 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.