specs at a glance

Leaderboard rank#6 of 10
SWE-bench Verified80.6%
SWE-bench Pro54.2%
Terminal-Bench
Input price / 1M$2
Output price / 1M$12
Context window
Open weightsNo
AccessAPI · Gemini app · AI Studio
MakerGoogle DeepMind

how good is Gemini 3.1 Pro at coding?

Gemini 3.1 Pro sits at #6 of 10 ranked models, posting 80.6% on SWE-bench Verified — 14.4 points behind #1 Claude Fable 5. On the harder SWE-bench Pro it scores 54.2%.

Score provenance: DeepMind-reported pass rate; ties DeepSeek V4 on Verified, trails it on Pro. Price: Google list $2/$12 per 1M for context up to 200K (doubles above 200K).

what does Gemini 3.1 Pro cost?

$2 per 1M input tokens and $12 per 1M output — #7 cheapest of the 10 models we track. Coding workloads are output-heavy, so weight the output rate when budgeting. Run your own volume through the AI API cost calculator for a monthly estimate.

where can you use it?

Available via API · Gemini app · AI Studio. As a proprietary model, you're on the maker's infrastructure and release schedule.

Primary source

Ranked on our AI Coding Leaderboard — scores confirmed against primary sources only, updated 2026-07-04.