Google: Gemini 3.8 Flash

google · Released Sep 2, 2026
DFO score #24 / 698
67.5 leaderboard score
Speed #100 / 338
132.7 tok/s
Input Price #502 / 698
$0.750 per 1M tokens
Output Price #536 / 698
$3.75 per 1M tokens
Context #35 / 698
1M tokens

Analysis Summary

Google's Gemini 3.8 Flash has a 40.9 intelligence index, a 76.3 coding index, and a 40.2 agentic index. It accepts text, image, file, audio, and video input, and supports tool use and function calling. The 1.05M-token context window is a practical advantage for long documents and codebases, while its coding capability stands out relative to its reasoning measure.

For an agency, Gemini 3.8 Flash is a strong option for coding assistance, multimodal processing, and high-throughput workflows that benefit from large context. Its agentic measure is less exceptional than its coding result, so complex autonomous tasks should be tested carefully. Listed pricing of $0.75 per million input tokens and $3.75 per million output tokens is more approachable than premium models, making it a useful balance for regular professional workloads.

Assessed September 23, 2026

Editorial notes

Gemini 3.8 Flash pairs strong coding with a 1M-token context, multimodal input, and tool calling at moderate rates, making it a practical high-throughput choice.

The DFO score ranks models on the Artificial Analysis Intelligence Index and is refreshed as new models launch. The write-up and verdict are our own. Feedback?

DFO Verdict

Gemini 3.8 Flash pairs strong coding with a 1M-token context, multimodal input, and tool calling at moderate rates, making it a practical high-throughput choice.

#24 of 698 overall Down 2 this week

Benchmarks

Intelligence Index 40.9 #24 of 436 · Artificial Analysis
Coding Index 76.3 #9 of 198 · Artificial Analysis
Agentic Index 40.2 #27 of 181 · Artificial Analysis
Creative Writing 1,482 #7 of 64 · Arena rating
Instruction Following 1,486 #11 of 65 · Arena rating

Artificial Analysis data refreshed Oct 12, 2026. Arena ratings from the Oct 2, 2026 text leaderboard, with style control.

How Google: Gemini 3.8 Flash compares

Google: Gemini 3.8 Flash ranks #24 of 436 AI models we track for overall intelligence, #9 of 198 for coding, #27 of 181 for agentic tasks. Its 1M-token context window is larger than 95% of the models we list. At $0.75 per million input tokens it is cheaper than 28% of comparable models.

Position in the field
DFO score: ahead of 97% of models #24
Speed: faster than 70% of models #100
Price: cheaper than 28% of models #502
Context: larger than 95% of models #35
worst in fieldmedianbest in field
Price vs frontier peers · $ per 1M tokens
Google: Gemini 3.8 Flash $0.75 in $3.75 out
Anthropic: Claude Opus 5.5 $4.00 in $20.00 out
Anthropic: Claude Sonnet 5.5 $2.00 in $10.00 out
Anthropic: Claude Fable 5.1 $10.00 in $50.00 out

Dark bar = input · light bar = output, scaled to the priciest peer.

Context window vs peers · tokens

1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $0.75 $0.000750
Output $3.75 $0.003750

What would Google: Gemini 3.8 Flash cost your business?

Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.

A website chatbot handling around 100 customer conversations a day, a few short messages each.

3,000
One request is one message, email, draft or automation call.
1,200 tokens

$5.94/mo Google: Gemini 3.8 Flash $0.0020 per request
$31.68/mo Anthropic: Claude Opus 5.5 $0.01 per request
$15.84/mo Anthropic: Claude Sonnet 5.5 · best value $0.0053 per request

Full calculator with 698 models → Price Calculator

DFO AI AUTOMATION

These numbers get smaller with the right architecture.

We route routine calls to cheap models and save Google: Gemini 3.8 Flash for the hard ones. Most clients cut their estimate by 60-80%.

Talk to our team

About 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.

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Frequently asked questions about Google: Gemini 3.8 Flash

How much does Google: Gemini 3.8 Flash cost?

Google: Gemini 3.8 Flash costs $0.75 per million input tokens and $3.75 per million output tokens.

What is the context window of Google: Gemini 3.8 Flash?

Google: Gemini 3.8 Flash has a context window of 1,048,576 tokens (1M).

Is Google: Gemini 3.8 Flash good for coding?

On our coding benchmark index, Google: Gemini 3.8 Flash ranks #9 of 198 models, placing it in the top quartile of the field for code generation and debugging.

What can Google: Gemini 3.8 Flash do?

Google: Gemini 3.8 Flash supports image/vision input, tool use, and function calling.

Who created Google: Gemini 3.8 Flash?

Google: Gemini 3.8 Flash is developed by Google and was released on September 2, 2026.

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