AI Index

Gemini 3.8 Flash

Language Google Verified Released Sep 2, 2026
  • In TextImageVideoAudioPDF Out Text
  • Reasoning· low, medium, high
  • Tool use
  • Structured output

Prices

3 offerings · prices as listed
Gemini API Official Global · USD gemini-3.8-flash
Conditions/ 1M tokensInputCache readOutput
Standard until Dec 31, 2026 $0.75$0.075$3.75
Flex tier until Dec 31, 2026 $0.375$0.0375$1.875
Priority tier until Dec 31, 2026 $1.35$0.135$6.75
Batch until Dec 31, 2026 $0.375$0.0375$1.875
Standard from Jan 1, 2027 $1.50$0.15$7.50
Flex tier from Jan 1, 2027 $0.75$0.075$3.75
Priority tier from Jan 1, 2027 $2.70$0.27$13.50
Batch from Jan 1, 2027 $0.75$0.075$3.75

Prices from Gemini API pricing (checked Nov 8, 2026)

Standard: the price a request with no conditions pays (the headline price elsewhere on the site).

Details

Built-in tools
Web search, Web fetch, Code execution, Computer use, Maps
Knowledge cutoff
Mar 2026
Open weights
—
Family
gemini-flash
Model ID

Not stated on Google’s pages: reasoning can be off, max thinking budget, aliases.

Cited scores

From third-party leaderboards, not measured by us
  • Epoch Capabilities Index 158.6

    #20 of 118 listed models · CI 156.7–160.8

  • LMArena Text 1,498

    #9 of 163 listed models · high effort · CI 1,493–1,502 · 59,624 votes

  • Epoch AI · Chess Puzzles 58%

    #12 of 85 listed models · high effort · ±4.96

  • Epoch AI · FrontierMath Tier 4 v2 22%

    #44 of 65 listed models · high effort · ±6.54

  • Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Oct 28 – Nov 5, 2026
  • LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Nov 8, 2026
  • EQ-Bench by Samuel J. Paech (eqbench.com; EQ-bench/EQ-bench-site on GitHub), MIT License. · License · as of Oct 28, 2026
  • LiveBench (White et al.), release 2026-06-25, livebench.ai, licensed CC BY-SA 4.0. This board, adapted from it, is shared under CC BY-SA 4.0. · License · as of Jun 25, 2026
  • Terminal-Bench 4.0 leaderboard (Marten, Shaw et al., Terminal-Bench; harbor-framework/terminal-bench on GitHub), licensed Apache-2.0. · License · as of Sep 29, 2026
  • changes we made

Provider-reported scores

Published by Google, under the conditions it states
BenchmarkSettingScore
Terminal-Bench 2.1Terminus-2 harness, pass@189.4%
CharXiv Reasoningno tools86.2%
HLE-Verifiedfull 1,811-item verified set54.9%

Included in coding plans

  • GitHub Copilot Pro $10.00 / month
    1,500 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
    15 USD of usage per month
  • GitHub Copilot Pro+ $39.00 / month
    7,000 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
    70 USD of usage per month
  • GitHub Copilot Max $100.00 / month
    20,000 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
  • GitHub Copilot Business $19.00 / month
    1,900 credits per month
  • GitHub Copilot Enterprise $39.00 / month
    3,900 credits per month

All coding plans →

News

All news →
  • Sep 2, 2026Release Google releases Gemini 3.8 Flash gemini-3.8-flash is generally available. Google describes it as its most intelligent Flash model, aimed at long-horizon software engineering, agents, and enterprise workflows.

Price history

Gemini API · standard rate · as listed

Input per 1M tokens

0$0.50$1.00$1.50$2.00Sep 26Nov 17Jan 8USD per 1M tokensJan 1, 2027: $1.50 (scheduled)Nov 11, 2026: $0.75

Output per 1M tokens

0$2.50$5.00$7.50$10.00Sep 26Nov 17Jan 8USD per 1M tokensJan 1, 2027: $7.50 (scheduled)Nov 11, 2026: $3.75

Changes

All changes →
  1. New language model

Sources

Google’s official policies: data use, privacy, terms →

Google · United States · ai.google.dev

Snapshots, the same family and other models from this provider