Gemini 3.8 Flash
The next iteration of Google's Flash line, above Gemini 3.7 Flash, built for long-horizon software engineering, autonomous agents and enterprise workflows.
Key Specifications
- Context window
- 1M tokens
- Max output
- 66K tokens
- Knowledge cutoff
- web search available
- Released
- Inputs
- Text, image, video, audio
- Capabilities Show details
- Reasoning Thinks before it answers, always on or as a switchable mode. Function calling Connect to external tools, APIs, and systems. Structured output Return responses in structured formats like JSON. Web search Search the web for up-to-date information. Code execution Write and execute code in a sandboxed environment. File upload Process uploaded documents, spreadsheets, and other files.
Hosted API pricing
| Provider | Input / 1M tokens | Output / 1M tokens | Cached input / 1M | Cost at 10M in + 2M out | |
|---|---|---|---|---|---|
|
Google Cloud
Creator
|
$0.75 | $3.75 | $0.08 | $15.00 | View |
Heads up: Base-tier, on-demand rates per 1M tokens; cached, batch and long-context tiers excluded. A provider may serve a shorter context or a quantized build than the creator's release. Verify before provisioning. More on how we price.
Similarly priced models
The models nearest Gemini 3.8 Flash by blended rate, each at its own cheapest provider.
| Model | Blended / 1M | Input / 1M | Output / 1M | Context | Cutoff | vs Gemini 3.8 Flash |
|---|---|---|---|---|---|---|
Grok Build 0.1
xAI
|
$1.1667 | $1.00 | $2.00 | 256K | −7% | |
Command A+
Cohere
|
$1.20 | $0.80 | $3.20 | 128K | −4% | |
GLM-5.2
Z.AI
|
$1.2167 | $0.90 | $2.80 | 1M | −3% | |
|
Gemini 3.6 Flash
Google Cloud
|
$1.25 | $0.75 | $3.75 | 1M | Mar 2026 | 0% |
|
Gemini 3.7 Flash
Google Cloud
|
$1.25 | $0.75 | $3.75 | 1M | Mar 2026 | 0% |
|
Gemini 3.8 Flash
This model
Google Cloud
|
$1.25 | $0.75 | $3.75 | 1M | Mar 2026 | |
Qwen3-Max
Alibaba Cloud
|
$1.2717 | $0.85 | $3.38 | 262K | +2% | |
GPT-5.4 Mini
OpenAI
|
$1.375 | $0.75 | $4.50 | 400K | Aug 2025 | +10% |
Kimi K2.7 Code
Moonshot AI
|
$1.375 | $0.90 | $3.75 | 262K | +10% | |
|
Grok 4.20 (Non-Reasoning)
xAI
|
$1.4583 | $1.25 | $2.50 | 1M | +17% | |
|
Grok 4.20 (Reasoning)
xAI
|
$1.4583 | $1.25 | $2.50 | 1M | +17% |
Prices are USD per 1M tokens at each model's cheapest listed provider. Blended is the cost of 10M input plus 2M output tokens, spread over the 12M.
Frequently Asked Questions
What is Gemini 3.8 Flash good for?
Coding and agent work that runs over many steps, and enterprise workflows. Google built it as the successor to Gemini 3.7 Flash, with the same tools and an effort setting that trades quality against cost and latency.
When is Gemini 3.8 Flash not a good fit?
Budget-driven, high-volume work: it sits above the Flash-Lite models in Google's price range. Closed weights, so no self-hosting, and output is text only.
What is the cheapest way to run Gemini 3.8 Flash?
The cheapest hosted rate is $0.75 / $3.75 per 1M tokens via Google Cloud.
How does Gemini 3.8 Flash compare with Gemini 3.7 Flash?
Google calls it the next iteration in the Gemini 3 family, with advances over Gemini 3.7 Flash in software engineering and agentic knowledge work, and keeps the effort levels that trade quality against cost and latency. Same price, 1M-token context and text, image, audio and video input. Gemini 3.8 Flash came out a month later.
Can I self-host Gemini 3.8 Flash?
No. Google Cloud does not publish the weights; Gemini 3.8 Flash is available only through hosted APIs.
More from Google Cloud
| Model | Context | Input / 1M | Output / 1M |
|---|---|---|---|
|
Gemini 3.6 Flash
|
1M | $0.75 | $3.75 |
|
Gemini 3.7 Flash
|
1M | $0.75 | $3.75 |
|
Gemini 3 Flash Preview
|
1M | $0.50 | $3.00 |
|
Gemini 3.5 Flash-Lite
|
1M | $0.30 | $2.50 |
|
Gemini 2.5 Flash
|
1M | $0.30 | $2.50 |
|
Gemini 2.5 Pro
|
1M | $1.25 | $10.00 |
|
Gemini 3.5 Flash
|
1M | $1.50 | $9.00 |
|
Gemini 3.1 Flash-Lite
|
1M | $0.25 | $1.50 |