Gemini 3 Pro was released by Google on November 18, 2025, as a flagship model in the Gemini Pro line.
Gemini 3 Pro fixes more real software bugs than Gemini 2.5 Pro (76.2% vs 59.6% on SWE-bench Verified) but costs more to run: $2 / $12 per 1M tokens, up from $1.25 / $10.
Compared with Gemini 2.5 Pro · the model it replaces
Fixes about 3 in 4 real software bugs
SWE-bench Verified — fixing real bugs in real software projects
76.2%
▲ up from 59.6% in Google's Gemini 3 table · +16.6 points
Costs developers more to run than Gemini 2.5 Pro
Price per 1M tokens — what developers pay, input / output (prompts up to 200K)
$2 / $12
up from $1.25 / $10 · preview price at launch
Every Monday, only when something shipped: the AI models that came out, what each one changed, and which lines are due next.
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Gemini 4 Argon is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.
Latest: Gemini 4 Argon · Oct 13, 2026
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