THE TICKER · GOOGLE · CHECKED DAILY · LAST CHANGE 2026-07-11
GEMINI 3.1 PRO API PRICING
What Google charges for Gemini 3.1 Pro, in USD, verified daily against public list prices. Effective price — if there's a promo running, this is the promo.
INPUT / 1M TOKENS
$2.00
OUTPUT / 1M TOKENS
$12.00
INPUT / 1K TOKENS
$0.0020
OUTPUT MULTIPLE
6.0x
output vs. input price
WHAT THINGS ACTUALLY COST ON GEMINI 3.1 PRO
| Scenario | Tokens in / out | 1 run | 1,000 runs |
|---|---|---|---|
| A typical prompt (300 tokens in) | 300 / ~900 | $0.01 | $11.40 |
| A 20-turn conversation (context re-sent) | 4,000 / ~4,000 | $0.06 | $56.00 |
| Summarizing a 10-page document | 8,000 / ~3,200 | $0.05 | $54.40 |
| One agent run (tools, retries, thinking) | 2,000 / ~12,000 | $0.15 | $148.00 |
| A code review request | 1,500 / ~3,750 | $0.05 | $48.00 |
Output sizes assume the same editorial ratios as the Burn Calculator (3x for prompts, 6x for agent runs). Estimates, not invoices.
VS. THE REST OF THE BOARD
| Model | Input / MTok | Output / MTok | Same job costs |
|---|---|---|---|
| Claude Fable 5 Anthropic → | $10.00 | $50.00 | 4.2x more |
| Claude Opus 4.8 Anthropic → | $5.00 | $25.00 | 2.1x more |
| GPT-5.6 OpenAI → | $5.00 | $30.00 | 2.5x more |
| GPT-5.5 OpenAI → | $5.00 | $30.00 | 2.5x more |
| GPT-5.4 OpenAI → | $2.50 | $15.00 | 1.3x more |
| Claude Sonnet 5 Anthropic → | $2.00 | $10.00 | 1.2x less |
| Gemini 3.5 Flash Google → | $1.50 | $9.00 | 1.3x less |
| Claude Haiku 4.5 Anthropic → | $1.00 | $5.00 | 2.4x less |
| Gemini 3 Flash Google → | $0.500 | $3.00 | 4.0x less |
| DeepSeek V4 Pro DeepSeek → | $0.435 | $0.870 | 12.5x less |
| DeepSeek V4 Flash DeepSeek → | $0.140 | $0.280 | 38.8x less |
“Same job” = a 1,000-token prompt with a 3,000-token reply, priced on both models. Cheaper is not always better. It is, however, always cheaper.
NOW FIND OUT HOW MUCH OF THAT IS WASTE
Gemini 3.1 Pro's price is fixed. Your token count isn't. Paste a real prompt into the Burn Calculator and see what it costs on Gemini 3.1 Pro — and how much a leaner version would save at 1,000 runs. Or pull the whole board from the ticker.