Gemini 3 Flash Preview
by Google · google/gemini-3-flash-preview · #251 cheapest of 422 paid models
Prices updated Sep 19, 2026, 6:22 PM UTC · refreshed hourly
Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance. It delivers near Pro level reasoning and tool...
Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5GPT-5.6 Sol
Pricing
Input
$0.50
per 1M tokens
Output
$3.00
per 1M tokens
Blended (3:1)
$1.13
3 input : 1 output
Cache read
$0.05
per 1M cached tokens
Cache write
$0.083
per 1M tokens
Cache & batch economics
Effective prices for Gemini 3 Flash Preview with prompt caching.
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $1.13 | $0.054 | — |
| 50% | $0.956 | $0.0315 | −42% |
| 90% | $0.821 | $0.0135 | −75% |
*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates for this provider’s batch API. Confirm on the vendor’s pricing page.
What a request costs
| Workload | Input tokens | Output tokens | Cost / request | Cost / 1K requests |
|---|---|---|---|---|
| Short chat message | 500 | 300 | $0.00115 | $1.15 |
| Document summary | 8,000 | 1,000 | $0.007 | $7.00 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.021 | $21.00 |
| Long-context analysis | 150,000 | 5,000 | $0.09 | $90.00 |
Performance
Intelligence Index
—
AA composite quality
Coding Index
—
Math Index
—
Agentic Index
—
Output speed
—
median
Time to first token
—
median
Time to first answer
—
after reasoning tokens
Design Arena Elo
| Category | Elo |
|---|---|
| Website | 1,208 |
| Web apps | 1,126 |
| Full-stack | 1,073 |
| Mobile apps | 1,120 |
| Android native | 1,064 |
| 3D | 1,212 |
| Game dev | 1,190 |
| Godot game dev | 1,161 |
| Python→PPTX slides | 1,036 |
| Agentic slides | 1,073 |
| Agentic slides (Python PPTX) | 1,075 |
| Code categories | 1,204 |
Specs
Context window
1.05M
tokens
Max output
66K
tokens
Input modalities
text, image, file, audio, video
Tokenizer
Gemini