Gemini 3.1 Pro Preview API Pricing

Google · released 2026-02-19

Also searched as: 3.1 Pro Preview pricing

Gemini 3.1 Pro Preview price

$2.00
input / 1M tokens
0.200¢ / 1K
$12.00
output / 1M tokens
1.20¢ / 1K
$4.50
blended / 1M tokens
0.450¢ / 1K

What it actually costs

WorkloadTokensCost
Short chat reply500 in / 300 out0.46¢
RAG query4,000 in / 500 out$0.0140
Long document summary50,000 in / 1,000 out$0.1120
Code review of a 2k-line file30,000 in / 2,000 out$0.0840
1,000 chat replies/day for 30 days30,000 × (500 in / 300 out)$138.00

Cost = (input tokens ÷ 1,000,000 × $2.00) + (output tokens ÷ 1,000,000 × $12.00).

Benchmarks

29.7
Intelligence
#62 of 547
68.8
Coding
#31 of 195
—
Math
136
Tokens/sec
18.30s
Time to first token

Similar intelligence, lower price

ModelIntelligenceBlended $/1M
MiniMax-M329.2$0.525
Solar Pro 428.2$0.525
DeepSeek V4 Pro 0424 (Max)30.4$0.544
Agnes 2.5 Pro Alpha (based on Qwen3.5 397B A17B)26.8$0.563
Quasar 438B (Max, Based on GLM-5.2)26.7$0.90

Leaderboard neighbours

ModelIntelligenceBlended $/1M
DeepSeek V4 Pro 0424 (Max)30.4$0.544
GPT-5.2 (Xhigh)30.4$4.813
Claude Sonnet 4.6 (Max)30.1$6.00
Gemini 3.1 Pro Preview29.7$4.50
Qwen3.7 Max29.5$3.75
MiniMax-M329.2$0.525
Claude Opus 4.5 (Reasoning)29.1$10.00

More from Google

ModelIntelligenceBlended $/1M
Gemini 4 Argon (High)52.6$4.00
Gemini 3.8 Flash (High)40.9$1.50
Gemini 3.7 Flash (Medium)39.6$1.50
Gemini 3.6 Flash (High)34.0$1.50
Gemini 3.5 Flash (Medium)33.6$3.375
Gemini 3 Pro Preview (High)28.0$4.50
Gemini 3 Flash Preview (Reasoning)26.3$1.125
Gemini 3.5 Flash-Lite22.2$0.85

Count tokens & estimate cost for Gemini 3.1 Pro Preview See Gemini 3.1 Pro Preview on the leaderboard

Source: Artificial Analysis · last synced 2026-10-15

FAQ

Who develops Gemini 3.1 Pro Preview?

Gemini 3.1 Pro Preview is developed by Google, released 2026-02-19.

How much does Gemini 3.1 Pro Preview cost per million tokens?

Gemini 3.1 Pro Preview costs $2.00 per 1M input tokens and $12.00 per 1M output tokens ($4.50 blended), per Artificial Analysis's official pricing data.

What is the Gemini 3.1 Pro Preview API price?

The Gemini 3.1 Pro Preview API price is $2.00 per 1M input tokens and $12.00 per 1M output tokens ($4.50 per 1M blended).

How much does Gemini 3.1 Pro Preview cost for a typical request?

A short chat reply (500 in / 300 out tokens) costs about 0.46¢ on Gemini 3.1 Pro Preview, at $2.00/1M input and $12.00/1M output.

Is Gemini 3.1 Pro Preview free?

Gemini 3.1 Pro Preview's official API list price is $2.00 per 1M input tokens and $12.00 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check Google's site for those.

How does Gemini 3.1 Pro Preview rank on benchmarks?

Gemini 3.1 Pro Preview scores 29.7 on the Artificial Analysis Intelligence Index, ranking #62 of 547 models we track.

Is there a cheaper model with similar intelligence to Gemini 3.1 Pro Preview?

Yes — MiniMax-M3 scores similar intelligence (29.2) at $0.525/1M blended, versus $4.50/1M for Gemini 3.1 Pro Preview.

Where does this data come from?

Pricing and benchmark data for Gemini 3.1 Pro Preview comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-10-15.