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gemini-3-pro-preview

Gemini 3 is Google's most intelligent model family to date, built on advanced reasoning capabilities. It is designed to turn any idea into reality by mastering Agent workflows, autonomous coding, and complex multimodal tasks. gemini-3-pro-preview is best suited for complex tasks requiring broad world knowledge and advanced cross-modal reasoning.

textAPI availablestreaming
gemini-3-pro-preview

Tokely price / 1M tokens

$4.77945input
$0.477945cached input
$28.6767output

USD · Published rate · Updated 2026-10-06

Context window

UnconfirmedNo verified context specification

First request

Available
curl https://tokely.me/v1/chat/completions \
  -H "Authorization: Bearer $TOKELY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3-pro-preview",
    "messages": [{"role": "user", "content": "Hello!"}],
    "max_tokens": 256
  }'

Set TOKELY_API_KEY to your dashboard key. Requests require a funded Tokely balance. Base URL: https://tokely.me/v1.

Compare nearby prices

USD per million tokens. Compare price and context; these are not quality benchmarks.
ModelInputOutputContext
gemini-3-pro-previewGoogle · this model$4.77945$28.6767Unconfirmed
kimi-k3Moonshot$5.625$28.1251,048,576
claude-sonnet-5Anthropic$5.5$27.51,000,000
claude-sonnet-5-5Anthropic$5.5$27.51,000,000
gpt-4o-2024-05-13OpenAI$9.19125$27.57375128,000

Capabilities & limits

Provider
Google
API model ID
gemini-3-pro-preview
Category
Text
Endpoints
POST /v1/chat/completions
Tokely max output
4,096 tokens / request, including reasoning tokens
Default output
256 tokens. Set an explicit limit for longer responses.
Request limits
256 KB JSON body · 128 messages · 32 function tools
Rate limit
60 requests / minute / account, across its keys
Supported input
Text messages and function tool results
Model reference

API reference

Authenticate with Authorization: Bearer YOUR_TOKELY_API_KEY. Use an OpenAI SDK with the Tokely base URL.

model
Required string: gemini-3-pro-preview
messages
An array of system, developer, user, assistant and tool messages.
max_tokens
Optional integer, 1–4,096. Defaults to 256.
stream
Set true for Server-Sent Events (SSE).

The response contains choices with message or tool_calls, finish_reason, and usage (prompt_tokens, completion_tokens, total_tokens). Streaming sends chat completion chunks.

400 / 415
Invalid request, parameter, endpoint for this model, or content type.
401 / 403
Invalid, revoked or restricted API key.
402
Insufficient account balance or API key budget.
429
Request limit reached. Retry after the indicated delay.
502 / 503 / 504
Upstream failure, temporary service unavailability or request timeout.

Frequently asked questions

How much does gemini-3-pro-preview cost?

$4.77945 per million input tokens, $28.6767 per million output tokens and $0.477945 per million cached input tokens. Usage is charged to your Tokely balance.

Do I need a separate Google account?

Use your Tokely API key and balance. A separate provider key is not required.

How do I switch to this model?

Set model to gemini-3-pro-preview and use /v1/chat/completions. Keep your Tokely base URL and API key.