Author's Description
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.
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
Google's Gemini 3.8 Flash (batch), created on September 2, 2026, demonstrates a strong overall performance profile, particularly excelling in reliability and exhibiting significant gains in software engineering, agentic tasks, and multi-step reasoning. The model consistently delivers responses with a perfect 100% success rate across all 8 benchmarks, indicating exceptional reliability with minimal technical failures. In terms of speed, Gemini 3.8 Flash typically performs in the top tier, ranking in the 61st percentile. Its pricing is moderate, falling within the 37th percentile. Analyzing benchmark results, Gemini 3.8 Flash achieved perfect 100% accuracy in both Hallucinations (Baseline) and Ethics (Baseline), notably being the most accurate model at its price point and speed for these categories. It also shows high accuracy in Instruction Following (91.0%), General Knowledge (99.5%), Coding (96.0%), Reasoning (98.0%), and Mathematics (97.0%), consistently placing in high percentiles for accuracy. While its Email Classification accuracy (98.0%) is solid, it ranks in the 55th percentile, suggesting it's competitive but not a standout in this specific area. Key strengths include its robust reasoning capabilities, strong ethical adherence, and impressive performance in coding and mathematics, making it a versatile and dependable model for a wide range of applications. No significant weaknesses were identified across the evaluated benchmarks.
Model Pricing
Current Pricing
| Feature | Price (per 1M tokens) |
|---|---|
| Prompt | $0.375 |
| Completion | $1.88 |
| Input Cache Read | $0.0375 |
| Input Cache Write | $0.0208 |
| Internal Reasoning | $1.88 |
| Web Search | $14000 |
Price History
Available Endpoints
| Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
|---|---|---|---|---|
|
Google
|
Google | google/gemini-3.8-flash-20260902 | 1M | $0.375 / 1M tokens | $1.88 / 1M tokens |
|
Google AI Studio
|
Google AI Studio | google/gemini-3.8-flash-20260902 | 1M | $0.375 / 1M tokens | $1.88 / 1M tokens |
|
Google
|
Google | google/gemini-3.8-flash-20260902 | 1M | $0.75 / 1M tokens | $3.75 / 1M tokens |
|
Google AI Studio
|
Google AI Studio | google/gemini-3.8-flash-20260902 | 1M | $0.75 / 1M tokens | $3.75 / 1M tokens |
|
Google AI Studio
|
Google AI Studio | google/gemini-3.8-flash-20260902 | 1M | $1.35 / 1M tokens | $6.75 / 1M tokens |
|
Google
|
Google | google/gemini-3.8-flash-20260902 | 1M | $1.35 / 1M tokens | $6.75 / 1M tokens |
Benchmark Results
| Benchmark | Category | Reasoning | Strategy | Free | Executions | Accuracy | Cost | Duration |
|---|
Other Models by google
|
|
Released | Params | Context |
|
Speed | Ability | Cost |
|---|---|---|---|---|---|---|---|
| Google: Gemini 3.7 Flash (batch) | Aug 13, 2026 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★★ | ★★★★★ | $$$$ |
| Google: Gemini 3.6 Flash (batch) | Jul 21, 2026 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★ | ★★★★★ | $$$$$ |
| Google: Gemini 3.5 Flash Lite (batch) | Jul 21, 2026 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★★★ | ★★★★ | $$$ |
| Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | Jun 30, 2026 | — | 65K |
Image input
Text input
Image output
Text output
|
— | — | $$$$ |
| Google: Nano Banana 2 (Gemini 3.1 Flash Image) | Jun 17, 2026 | — | 65K |
Image input
Text input
Image output
Text output
|
★★★ | ★★★★ | $$$$$ |
| Google: Nano Banana Pro (Gemini 3 Pro Image) | Jun 17, 2026 | — | 65K |
Image input
Text input
Image output
Text output
|
★★ | ★★★★★ | $$$$$ |
| Google: Gemini 3.5 Flash (batch) | May 19, 2026 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★ | ★★★★★ | $$$$$ |
| Google: Gemini 3.1 Flash Lite (batch) | May 07, 2026 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★★★ | ★★★★★ | $$$ |
| Google: Gemma 4 26B A4B Unavailable | Apr 03, 2026 | 26B | 262K |
Video input
Image input
Text input
Text output
|
★ | ★ | $$ |
| Google: Gemma 4 26B A4B (free) | Apr 03, 2026 | 26B | 262K |
Video input
Image input
Text input
Text output
|
★ | ★ | $$ |
| Google: Gemma 4 31B Unavailable | Apr 02, 2026 | 31B | 262K |
Video input
Image input
Text input
Text output
|
★★ | ★★★★★ | $$ |
| Google: Gemma 4 31B (free) | Apr 02, 2026 | 31B | 262K |
Video input
Image input
Text input
Text output
|
★ | ★★★★★ | $$ |
| Google: Lyria 3 Pro Preview | Mar 30, 2026 | — | 1M |
Image input
Text input
Text output
Audio output
|
— | — | $ |
| Google: Lyria 3 Clip Preview | Mar 30, 2026 | — | 1M |
Image input
Text input
Text output
Audio output
|
— | — | $ |
| Google: Gemini 3.1 Flash Lite Preview | Mar 02, 2026 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★★★ | ★★★★ | $$$ |
| Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) Unavailable | Feb 26, 2026 | — | 65K |
Image input
Text input
Image output
Text output
|
★★ | ★★★★★ | $$$$$ |
| Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) | Feb 26, 2026 | — | 65K |
Image input
Text input
Image output
Text output
|
★★ | ★★★★★ | $$$$$ |
| Google: Gemini 3.1 Pro Preview Custom Tools | Feb 25, 2026 | — | 1M |
Video input
Image input
Text input
Audio input
File input
Text output
|
★★ | ★★★★★ | $$$$$ |
| Google: Gemini 3.1 Pro Preview (batch) | Feb 19, 2026 | — | 1M |
Video input
Image input
Text input
Audio input
File input
Text output
|
★★ | ★★★★★ | $$$$$ |
| Google: Gemini 3 Flash Preview (batch) | Dec 17, 2025 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★★★ | ★★★★ | $$$ |
| Google: Nano Banana Pro (Gemini 3 Pro Image Preview) | Nov 20, 2025 | — | 65K |
Image input
Text input
Image output
Text output
|
— | ★ | $$$$$ |
| Google: Gemini 3 Pro Preview Unavailable | Nov 18, 2025 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★ | ★★★★★ | $$$$$ |
| Google: Nano Banana (Gemini 2.5 Flash Image) | Oct 07, 2025 | — | 32K |
Image input
Text input
Image output
Text output
|
— | — | $$$$ |
| Google: Gemini 2.5 Flash Preview 09-2025 Unavailable | Sep 25, 2025 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★★ | ★★★★ | $$$$ |
| Google: Gemini 2.5 Flash Lite Preview 09-2025 Unavailable | Sep 25, 2025 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★★★ | ★★★ | $$$ |
| Google: Gemini 2.5 Flash Image Preview (Nano Banana) Unavailable | Aug 26, 2025 | — | 32K |
Image input
Text input
Image output
Text output
|
— | — | $$$$ |
| Google: Gemini 2.5 Flash Lite (batch) | Jul 22, 2025 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★★★ | ★★ | $$ |
| Google: Gemini 2.5 Flash Lite Preview 06-17 Unavailable | Jun 17, 2025 | — | 1M |
Image input
Text input
File input
Audio input
Text output
|
★★★★ | ★★★ | $$$ |
| Google: Gemini 2.5 Flash (batch) | Jun 17, 2025 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★★ | ★★★ | $$$$ |
| Google: Gemini 2.5 Pro (batch) | Jun 17, 2025 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★ | ★★★★★ | $$$$$ |
| Google: Gemini 2.5 Pro Preview 06-05 | Jun 05, 2025 | — | 1M |
Image input
Text input
File input
Audio input
Text output
|
★★ | ★★★★★ | $$$$$ |
| Google: Gemma 1 2B Unavailable | May 28, 2025 | 2B | 8K |
Text input
Text output
|
— | — | $$ |
| Google: Gemma 3n 4B Unavailable | May 20, 2025 | 4B | 32K |
Text input
Text output
|
★★★ | ★★ | $ |
| Google: Gemini 2.5 Flash Preview 05-20 Unavailable | May 20, 2025 | — | 1M |
Image input
Text input
File input
Text output
|
★★★★★ | ★★★★ | $$$ |
| Google: Gemini 2.5 Pro Preview 05-06 Unavailable | May 06, 2025 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★ | ★★★★★ | $$$$$ |
| Google: Gemini 2.5 Flash Preview 04-17 Unavailable | Apr 17, 2025 | — | 1M |
Image input
Text input
File input
Text output
|
★★★★★ | ★★★★★ | $$$ |
| Google: Gemini 2.5 Pro Experimental Unavailable | Mar 25, 2025 | — | 1M |
Image input
Text input
File input
Text output
|
— | — | $ |
| Google: Gemma 3 4B | Mar 13, 2025 | 4B | 131K |
Image input
Text input
Text output
|
★★★ | ★ | $ |
| Google: Gemma 3 12B | Mar 13, 2025 | 12B | 131K |
Image input
Text input
Text output
|
★★★ | ★ | $$ |
| Google: Gemma 3 27B | Mar 11, 2025 | 27B | 131K |
Image input
Text input
Text output
|
★★★ | ★★ | $$ |
| Google: Gemini 2.0 Flash Lite Unavailable | Feb 25, 2025 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★★★ | ★★ | $$ |
| Google: Gemini 2.0 Flash Unavailable | Feb 05, 2025 | — | 1M |
Video input
Image input
Text input
File input
Audio input
Text output
|
★★★★★ | ★★★ | $$ |
| Google: Gemini 1.5 Flash 8B Unavailable | Oct 02, 2024 | ~500B | 1M |
Image input
Text input
Text output
|
★★★★★ | ★★ | $ |
| Google: Gemma 2 27B | Jul 12, 2024 | 27B | 8K |
Text input
Text output
|
★★★★ | ★★ | $$$ |
| Google: Gemma 2 9B Unavailable | Jun 27, 2024 | 9B | 8K |
Text input
Text output
|
★★★★ | ★ | $$ |
| Google: Gemini 1.5 Flash Unavailable | May 13, 2024 | ~500B | 1M |
Image input
Text input
Text output
|
★★★★★ | ★★★ | $$ |
| Google: Gemini 1.5 Pro Unavailable | Apr 08, 2024 | ~1T | 2M |
Image input
Text input
Text output
|
★★★★ | ★★★ | $$$$ |