Gemini 3.1 Flash Live
Last verified August 24, 2026 · Google pricing ↗$0.750/1M input · $4.50/1M output · 1.0M context · Google
Gemini 3.1 Flash Live costs $0.750 per 1M input tokens and $4.50 per 1M output tokens from Google, with a 1.0M-token context window. A typical chat reply (1,500 tokens in, 400 out) costs $0.0029, or $29.25 per 10,000 requests. On that workload it is cheaper than 83 of the 172 other buyable models tracked here.
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What Gemini 3.1 Flash Live Costs Per Request
At $0.750 per 1M input and $4.50 per 1M output tokens, before caching or batch discounts.
| Workload | Input / output tokens | Per request | Per 10,000 requests |
|---|---|---|---|
| Chat reply | 1,500 / 400 | $0.0029 | $29.25 |
| RAG answer over retrieved docs | 8,000 / 600 | $0.0087 | $87.00 |
| Coding-agent step | 30,000 / 2,000 | $0.032 | $315.00 |
Gemini 3.1 Flash Live vs Similarly Priced Models
Nearest buyable models by price, with the RAG answer above (8,000 in / 600 out) priced on each.
| Model | Input /1M | Output /1M | Context | RAG answer |
|---|---|---|---|---|
| Gemini 3.1 Flash Live Google | $0.750 | $4.50 | 1.0M | $0.0087 |
| Gemini 3.8 Flash Google | $0.750 | $3.75 | 1.0M | $0.0083 |
| GPT-5.4 Mini OpenAI | $0.750 | $4.50 | 400K | $0.0087 |
| Doubao Seed 2.1 Pro ByteDance | $0.880 | $4.41 | 262K | $0.0097 |
Alternatives to Gemini 3.1 Flash Live
Pricing Details
GoogleAudio-to-audio streaming model, so the stored $0.75/$4.50 is the text leg and is not what a voice session actually bills. Audio input is $3.00/1M (~$0.005/min) and audio output $12.00/1M (~$0.018/min); image and video input are $1.00/1M. Preview only (gemini-3.1-flash-live-preview). Estimated tokens (different tokenizer).
Input / 1M tokens
$0.75
Output / 1M tokens
$4.5
Context Window
1.0M
Max Output
66K
Price History
No price change recorded since 2026-08-11, when this site started tracking this model; it launched on 2026-03-26.
Frequently Asked Questions
Common questions about Gemini 3.1 Flash Live pricing and usage
How much does Gemini 3.1 Flash Live cost?
Gemini 3.1 Flash Live costs $0.75 per 1 million input tokens and $4.5 per 1 million output tokens. This pricing is set by Google.
What tokenizer does Gemini 3.1 Flash Live use?
Gemini 3.1 Flash Live uses the cl100k_base tokenizer. This tokenizer has a vocabulary of ~100,000 tokens and is widely used across many models.
What is Gemini 3.1 Flash Live's context window?
Gemini 3.1 Flash Live supports a context window of 1.0M tokens (1,048,576 tokens). The maximum output length is 66K tokens.
How does Gemini 3.1 Flash Live compare to other models?
On an 8,000-token-in, 600-token-out RAG answer, Gemini 3.1 Flash Live costs $0.0087 per request. The nearest-priced alternatives cost: Gemini 3.8 Flash (Google) $0.0083, GPT-5.4 Mini (OpenAI) $0.0087, Doubao Seed 2.1 Pro (ByteDance) $0.0097. The table above lists their full rates and context windows.
How do I count tokens for Gemini 3.1 Flash Live?
Use the token counter at the top of this page or visit the homepage calculator. Paste your text and it will show the exact token count and cost for Gemini 3.1 Flash Live using the cl100k_base tokenizer.