gemini-3.1-proGemini 3.1 Pro pricing (September 2026)
Google AI lists Gemini 3.1 Pro at $2.00 per 1M input tokens and $12.00 per 1M output tokens.
On Crazyrouter the same model is $1.10 / $6.60 — 45% below list price.
Gemini 3.1 Pro price by provider
USD per 1M tokens. Cloud prices are the base tier in the default region; the linked source is authoritative.
| Provider | Input | Cached input | Output | Context | Source |
|---|---|---|---|---|---|
| Google AI | $2.00 | $0.20 | $12.00 | 1.0M | Google AI |
| Azure | Not offered | ||||
| AWS Bedrock | Not offered | ||||
| Google Vertex AI | $2.00 | $0.20 | $12.00 | 1.0M | Google Vertex AI |
| OpenRouter | $2.00 | $0.20 | $12.00 | 1.0M | OpenRouter |
| Crazyrouter | $1.10 | $0.275 | $6.60 | 1.0M | crazyrouter.com |
per 1M tokens · Checked Sep 29, 2026
What Gemini 3.1 Pro costs per month
Three typical workloads, priced on each provider from the table above.
| Workload | Google AI | Google Vertex AI | OpenRouter | Crazyrouter |
|---|---|---|---|---|
| Prototype: 10M in / 2M out | $44.00 | $44.00 | $44.00 | $24.20 |
| Product: 100M in / 20M out | $440.00 | $440.00 | $440.00 | $242.00 |
| Scale: 1B in / 200M out | $4,400 | $4,400 | $4,400 | $2,420 |
Price changes
Tracked daily since Sep 29, 2026; no list-price changes recorded yet.
Alternatives to Gemini 3.1 Pro
Same-family models and cheaper options for similar tasks.
Gemini 3.1 Pro pricing FAQ
How much does Gemini 3.1 Pro cost?
Google AI charges $2.00 per 1M input tokens and $12.00 per 1M output tokens. Through Crazyrouter the same model is $1.10 / $6.60.
What is cached input pricing?
Tokens that repeat an earlier prompt prefix are billed at the cached rate ($0.20 per 1M when supported) instead of the full input price.
Is there a batch discount?
Yes. Google AI offers batch pricing at $1.00 in / $6.00 out per 1M tokens for asynchronous jobs.
Is Gemini 3.1 Pro cheaper on Azure, Bedrock or Vertex?
Cloud providers usually match the list price and add regional or provisioned tiers; see the table above for the base rate on each. Crazyrouter applies its discount on top of list.
