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Google · Efficient

Gemini 3 Flash Thinking

Added Dec 17, 2025

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Use in the app

Google's Gemini 3 Flash preview model with thinking mode enabled for enhanced reasoning and chain-of-thought capabilities. Audio input costs $1.00 per million audio tokens.

  • Reasoning
  • Vision
  • Audio input
  • Video input
Input
Text, Images, Video, Audio
Output
Text
Reasoning effort
minimal · low · medium · high
Discovery tier
Efficient

Pricing

USD per 1M tokens
Input
$0.50
Output
$3.00
Cache read
$0.05

Reference prices as published by the model provider. API example

Specifications

Context window
1M
Max output
65.5K
Average output (7 days)
1.7K tokens
Longer than 89% of 465 models

Side by side

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Public evaluations

Benchmarks

Independent evaluation results, with how each score ranks among the models in the Noumen catalog.

Intelligence Index

26.3

Better than 66% of 326 scored models

3.8Catalog models by score55.1

Indexes

  • Math Index

    97.0

    Composite of the math evaluations

    Highest of 118 scored models

Document reasoning

  • AA-LCRv1.1

    78.0%

    Reasoning across long documents

    Better than 65% of 309 scored models

Reasoning and knowledge

  • Humanity’s Last Exam

    36.6%

    Expert-level questions across academic fields

    Better than 70% of 323 scored models

  • GPQA Diamond

    89.8%

    Graduate-level science questions

    Better than 78% of 291 scored models

  • MMLU-Pro

    89.0%

    Multi-subject knowledge and reasoning

    Highest of 132 scored models

  • IFBench

    78.0%

    Following precise output instructions

    Better than 96% of 215 scored models

Coding

  • LiveCodeBench

    90.8%

    Recent competitive programming problems

    Highest of 129 scored models

Math

  • AIME 2025

    97.0%

    Competition mathematics, 2025 problems

    Highest of 118 scored models

Legacy evaluations

  • Terminal-Bench Hard

    38.6%

    Earlier terminal task suite

    Better than 75% of 212 scored models

  • τ²-Bench Telecom

    80.4%

    Tool use in a customer-support simulation

    Better than 61% of 214 scored models

  • AA-LCR (unversioned)

    78.0%

    Long-context reasoning, earlier grading

    Better than 65% of 309 scored models

Scores from Artificial Analysis, updated Oct 26, 2026. Artificial Analysis

Live routing data

Performance and reliability

Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.

Throughput
142.6 tok/s
Faster than 74% of 250 models
Time to first token
8.4 s
Quicker than 15% of 250 models
Prompt cache hits
13.5%
About $0.44 per 1M input tokens with caching
Request success (24h)
100.0%
Reliable

Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.

Hourly request success · last 72 hoursLowest hour 80.0%
  • Healthy (98% or more)
  • Degraded (90–98%)
  • Down (under 90%)
  • No requests

Developers

Use it through the API

Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.

Read the quickstart
curl https://www.noumen.xyz/api/v1/chat/completions \
  -H "Authorization: Bearer $NOUMEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3-flash-preview-thinking",
    "reasoning_effort": "medium",
    "messages": [{ "role": "user", "content": "Explain this stack trace." }]
  }'
import os
from openai import OpenAI

client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
    model="google/gemini-3-flash-preview-thinking",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

Google

Other Google models, starting with the same family.