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Gemini 3.8 Flash

Language Google Available Released Sep 2, 2026 Partly verified
Model ID
Compare with… →
Context
1.05M
66K max output
Input price
$0.75
per 1M tokens · Gemini API
Output price
$3.75
per 1M tokens
Epoch Capabilities Index
157.1
#13 of 71 listed
LMArena Text
1,492
#8 of 79 listed

Where to run it

1 offering · prices as listed
MeterTierPrice
Gemini API Official Global · USD gemini-3.8-flash
InputStandard until Dec 31, 2026$0.75 / 1M tokens
Standard from Jan 1, 2027 $1.50 / 1M tokens
Batch until Dec 31, 2026$0.38 / 1M tokens
Flex tier until Dec 31, 2026$0.38 / 1M tokens
Batch from Jan 1, 2027 $0.75 / 1M tokens
Flex tier from Jan 1, 2027 $0.75 / 1M tokens
Priority tier until Dec 31, 2026$1.35 / 1M tokens
Priority tier from Jan 1, 2027 $2.70 / 1M tokens
OutputStandard until Dec 31, 2026$3.75 / 1M tokens
Standard from Jan 1, 2027 $7.50 / 1M tokens
Batch until Dec 31, 2026$1.88 / 1M tokens
Flex tier until Dec 31, 2026$1.88 / 1M tokens
Batch from Jan 1, 2027 $3.75 / 1M tokens
Flex tier from Jan 1, 2027 $3.75 / 1M tokens
Priority tier until Dec 31, 2026$6.75 / 1M tokens
Priority tier from Jan 1, 2027 $13.50 / 1M tokens
Cache readStandard until Dec 31, 2026$0.075 / 1M tokens
Standard from Jan 1, 2027 $0.15 / 1M tokens
Batch until Dec 31, 2026$0.038 / 1M tokens
Flex tier until Dec 31, 2026$0.038 / 1M tokens
Batch from Jan 1, 2027 $0.075 / 1M tokens
Flex tier from Jan 1, 2027 $0.075 / 1M tokens
Priority tier until Dec 31, 2026$0.14 / 1M tokens
Priority tier from Jan 1, 2027 $0.27 / 1M tokens

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)Sep 27, 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)Sep 27, 2026: $3.75

Changes

All changes →
  1. Cache read (Priority tier) price changes Jan 1, 2027 $0.14 → $0.27 / 1M tokens · Gemini API
  2. Output (Priority tier) price changes Jan 1, 2027 $6.75 → $13.50 / 1M tokens · Gemini API
  3. Input (Priority tier) price changes Jan 1, 2027 $1.35 → $2.70 / 1M tokens · Gemini API
  4. Cache read (Flex tier) price changes Jan 1, 2027 $0.038 → $0.075 / 1M tokens · Gemini API
  5. Output (Flex tier) price changes Jan 1, 2027 $1.88 → $3.75 / 1M tokens · Gemini API
  6. Input (Flex tier) price changes Jan 1, 2027 $0.38 → $0.75 / 1M tokens · Gemini API
  7. Cache read (Batch) price changes Jan 1, 2027 $0.038 → $0.075 / 1M tokens · Gemini API
  8. Output (Batch) price changes Jan 1, 2027 $1.88 → $3.75 / 1M tokens · Gemini API
  9. Input (Batch) price changes Jan 1, 2027 $0.38 → $0.75 / 1M tokens · Gemini API
  10. Cache read price changes Jan 1, 2027 $0.075 → $0.15 / 1M tokens · Gemini API
  11. Output price changes Jan 1, 2027 $3.75 → $7.50 / 1M tokens · Gemini API
  12. Input price changes Jan 1, 2027 $0.75 → $1.50 / 1M tokens · Gemini API

Vendor-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%

Cited scores

From third-party leaderboards, not measured by us
  • Epoch Capabilities Index 157.1

    #13 of 71 listed models · CI 155–161.3

    Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made

  • LMArena Text 1,492

    #8 of 79 listed models · high effort · CI 1,487–1,498 · 21,728 votes

    LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made

  • Epoch AI · FrontierMath Tiers 1–3 68.4%

    #20 of 56 listed models · high effort · ±2.76

    Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made

  • Epoch AI · GPQA Diamond 95.4%

    #2 of 64 listed models · high effort · ±1.4

    Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made

  • LMArena Text · Chinese 1,532

    #11 of 79 listed models · high effort · CI 1,518–1,547 · 1,733 votes

    LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made

  • LMArena Text · Coding 1,532

    #13 of 79 listed models · high effort · CI 1,524–1,541 · 5,970 votes

    LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made