Gemini 3.8 Live Extended Thinking vs Mercury 2.5 Preview

Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.

Specs & pricing

Gemini 3.8 Live Extended ThinkingMercury 2.5 Preview
CompanyGoogle DeepMindInception
ReleasedSep 2026Aug 2026
Context window260K
Input /1M tokens$0.75$0.04
Output /1M tokens$3$0.15
Open weightsNoNo

Benchmarks

BenchmarkGemini 3.8 Live Extended ThinkingMercury 2.5 Preview
Speed (tok/s)1107 tok/s

Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.