googleListed Sep 2, 2026

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.

Context window1M
Max output65.5K
Provider endpoints9
Benchmark results0
Agent runs1
Measured performance

Benchmark results

All leaderboards ↗
—

No published results in this index yet

Scores appear here when an evaluation matches this exact model.

Model + harness

Agent runs

All agent results ↗

Terminal-Bench 4.0

mini-swe-agent2.4.6

Reasoning effort high

Tested model identityGemini 3.8 Flashgemini/gemini-3.8-flash
Pass rate19.09%

95% CI 15.73%–22.45%

n = 330
Checked
Access & cost

Prices across providers

9 quotes

Your token mix

USD · listed token rates

ExperientialStandard list rate
$1.6875
Google AI Studio · via OpenRoutergoogle-ai-studio/flex · tier=flex
$0.8438
$1.6875
Google · via OpenRoutergoogle-vertex/global
$1.6875
Google · via OpenRoutergoogle-vertex/us
$1.8563
Google AI Studio · via OpenRoutergoogle-ai-studio/priority · tier=priority
$3.0375
Google · via OpenRoutergoogle-vertex/global/priority · tier=priority
$3.0375

OpenRouter

Catalog quote
Input
$0.825
Output
$4.125
Cached input
$0.0825
USD / 1M tokens
1M context65.5K max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDgoogle/gemini-3.8-flash

Experiential

Standard list rate

Input
$0.75
Output
$3.75
Cached input
$0.075
USD / 1M tokens

Catalog list rate. Plan allowances and temporary discounts are separate.

1M context65.5K max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDgemini-3.8-flash

Google AI Studio

via OpenRouter

google-ai-studio/flex · tier=flex

Input
$0.375
Output
$1.875
Cached input
$0.0375
USD / 1M tokens

Cache write $0.020833333333333/M tokens · Audio input $0.375/M audio tokens · Cached audio input $0.0375/M audio tokens · Audio tokens use separate rates from text input · Web search $0.014/search · Source discount 50%; rates as published

1M context65.5K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDgoogle/gemini-3.8-flash::google-ai-studio/flex

Google

via OpenRouter

google-vertex/global/flex · tier=flex

Provider degraded
Input
$0.375
Output
$1.875
Cached input
$0.0375
USD / 1M tokens

Endpoint degraded (status -5) · Cache write $0.020833333333333/M tokens · Audio input $0.375/M audio tokens · Cached audio input $0.0375/M audio tokens · Audio tokens use separate rates from text input · Web search $0.014/search · Source discount 50%; rates as published

1M context65.5K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDgoogle/gemini-3.8-flash::google-vertex/global/flex

Google AI Studio

via OpenRouter

google-ai-studio

Input
$0.75
Output
$3.75
Cached input
$0.075
USD / 1M tokens

Cache write $0.041666666666667/M tokens · Audio input $0.75/M audio tokens · Cached audio input $0.075/M audio tokens · Audio tokens use separate rates from text input · Web search $0.014/search · Source discount 50%; rates as published

1M context65.5K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDgoogle/gemini-3.8-flash::google-ai-studio

Google

via OpenRouter

google-vertex/global

Input
$0.75
Output
$3.75
Cached input
$0.075
USD / 1M tokens

Cache write $0.041666666666667/M tokens · Audio input $0.75/M audio tokens · Cached audio input $0.075/M audio tokens · Audio tokens use separate rates from text input · Web search $0.014/search · Source discount 50%; rates as published

1M context65.5K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDgoogle/gemini-3.8-flash::google-vertex/global

Google

via OpenRouter

google-vertex/us

Input
$0.825
Output
$4.125
Cached input
$0.0825
USD / 1M tokens

Cache write $0.041666666666667/M tokens · Audio input $0.825/M audio tokens · Cached audio input $0.0825/M audio tokens · Audio tokens use separate rates from text input · Web search $0.014/search · Source discount 50%; rates as published

1M context65.5K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDgoogle/gemini-3.8-flash::google-vertex/us

Google AI Studio

via OpenRouter

google-ai-studio/priority · tier=priority

Input
$1.35
Output
$6.75
Cached input
$0.135
USD / 1M tokens

Cache write $0.075/M tokens · Audio input $1.35/M audio tokens · Cached audio input $0.135/M audio tokens · Audio tokens use separate rates from text input · Web search $0.014/search · Source discount 50%; rates as published

1M context65.5K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDgoogle/gemini-3.8-flash::google-ai-studio/priority

Google

via OpenRouter

google-vertex/global/priority · tier=priority

Input
$1.35
Output
$6.75
Cached input
$0.135
USD / 1M tokens

Cache write $0.075/M tokens · Audio input $1.35/M audio tokens · Cached audio input $0.135/M audio tokens · Audio tokens use separate rates from text input · Web search $0.014/search · Source discount 50%; rates as published

1M context65.5K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDgoogle/gemini-3.8-flash::google-vertex/global/priority

Model specifications

Developer
google
Modality
Language
Context
1,048,576 tokens
Maximum output
65,536 tokens
Weights
Not reported
Provider listed
Sep 2, 2026
First discovered
Oct 16, 2026

Exact identities

  • openroutergoogle/gemini-3.8-flash
  • experientialgemini-3.8-flash

Sources

Updated Oct 18, 2026

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Google: Gemini 3.8 Flash (batch)

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.

1M contextImage inputAudio inputNo reported score
No reported score
$0.375in$1.875out/ 1M tokens · USDGoogle · via OpenRouter · 2 endpointsgoogle-vertex/global