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Google: Gemini 3.8 Flash

google/gemini-3.8-flash

Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.

Listed (2 Sept 2026)

Source: OpenRouter (live)

Input
$0.750
USD per 1M tokens
Output
$3.75
USD per 1M tokens
Blended
$1.50
75% in / 25% out
Context
1.0M
tokens
Max output
66K
tokens
Modality
text+image+file+audio+video->text

Prices as listed on OpenRouter, refreshed every five minutes. Provider-direct prices may differ. Convert to your currency on the AI Tracker.

Capabilities

Declared on the listing

  • Tool / function calling Declared
  • Reasoning controls Declared
  • Structured output Declared
  • InputText, Image, Video, File, Audio
  • OutputText

Capabilities are read from the provider listing. “Not declared” means the listing does not advertise the feature, not that it is absent.

Why it costs this

Pricing context

  • 1.9× median
  • Market median blended price is $0.806/M across 417 priced models.

Benchmarks

Where we rate it

  • Speed & ValueFast, inexpensive models for high-volume workloads. Our shortlist of capable small models, ordered by live blended price (cheapest first).Verify on Artificial Analysis

Editorial picks, not scores. We link the public leaderboards we watch rather than inventing an AI HQ rating.

Alternatives

More from Google

More →
  1. $0.750

    /M blended

  2. $0.750

    /M blended

  3. $1.50

    /M blended

  4. $0.750

    /M blended

  5. $1.50

    /M blended

  6. $0.425

    /M blended

Alternatives

Similar price, other providers

More →
  1. $1.50

    /M blended

  2. $1.50

    /M blended

  3. $1.50

    /M blended

  4. $1.50

    /M blended

  5. Z.ai: GLM 5.1

    Z.ai (Zhipu)

    $1.48

    /M blended

  6. $1.56

    /M blended

Within ±50% of $1.50/M blended.

Analysis

Related reading

More →

Roundup

Best AI Models for Research

Long documents, citations and careful reasoning: the models we reach for when accuracy matters more than speed.

Roundup

Best AI Models for Business

Predictable quality, sensible pricing and vendor stability for everyday writing, analysis and customer-facing work.

Comparison

Gemini vs GPT

Google's Gemini against OpenAI's GPT: context, multimodality, price and where each fits.

Google DeepMind's Gemini and Gemma models. All Google models · Official site

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