Gemini 3 Flash Preview

New Gemini flash lane bringing frontier-style multimodal reasoning to cheaper runs
- Context
- 1.0M
- Released
- 10mo ago
- Input / 1M tokens
- $0.50
- Output / 1M tokens
- $3.00
- Cached input / 1M tokens
- $0.05
- Cache write / 1M tokens
- $0.08
Sources:models.devOpenRouter
Benchmarks
DeepSWE is the primary coding benchmark where an exact model evaluation exists. Other sourced evaluations appear below; missing scores are not zero.
Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.
Other published benchmarks
| Evaluation | Reported score and source |
|---|---|
| ARC-AGI-2 | 1.3% Third-party evaluator · gemini-3-flash-preview External evaluation via Epoch AIOriginal-source terms apply |
| FrontierMath-2025-02-28-Private | |
| FrontierMath-Tier-4-2025-07-01-Private | |
| FrontierMath-Tier-4-v2-Private | |
| FrontierMath-Tiers-1-3-v2-Private | |
| GPQA diamond | |
| GPQA diamond | |
| OTIS Mock AIME 2024-2025 | |
| OTIS Mock AIME 2024-2025 | |
| SimpleQA Verified | |
| SWE-Bench verified | |
| Terminal Bench | 51.0% Terminal-Bench v2 Leaderboard · gemini-3-flash-preview Agent: Gemini CLI Terminal-Bench v2 LeaderboardOriginal-source terms apply |
| Terminal Bench | 47.4% https://www.tbench.ai/leaderboard/terminal-bench/2.0 · gemini-3-flash-preview Agent: Gemini CLI https://www.tbench.ai/leaderboard/terminal-bench/2.0Original-source terms apply |
| Terminal Bench | 64.3% https://www.tbench.ai/leaderboard/terminal-bench/2.0 · gemini-3-flash-preview Agent: Junie CLI https://www.tbench.ai/leaderboard/terminal-bench/2.0Original-source terms apply |
| Terminal Bench | 51.7% https://www.tbench.ai/leaderboard/terminal-bench/2.0 · gemini-3-flash-preview Agent: Terminus 2 https://www.tbench.ai/leaderboard/terminal-bench/2.0Original-source terms apply |
Benchmark compilation: Epoch AI, Capabilities & benchmarking (CC BY attribution). Scores are converted to percentages and model names matched to the Vertical Tabs catalog. Individual evaluations are credited to their original sources. External results may carry separate licences and evaluation configurations; do not interpret scores from different harnesses as directly comparable.
Specifications
- Developer
- Google DeepMind
- Model family
- Gemini
- Type
- Language model
- Predecessor
- —
- Successor
- —
- Released
- December 17, 2025
- Model ID
google/gemini-3-flash-preview- Openness
- Closed
- License
- —
- Input modalities
- text, image, file, audio, video
- Output modalities
- text
- Modality
- text+image+file+audio+video->text
- Tokenizer
- Gemini
- Max output tokens
- 66K
- Knowledge cutoff
- 2025-01
- Hugging Face
- —
- Source freshness
- Metadata synced Oct 8, 2026, 10:17 PM UTC
Additional source evidence
- Source model
- google/gemini-3-flash-preview
- Source family
- gemini-flash
- Last updated
- 2025-12-17
- Knowledge cutoff
- 2025-01
- Model context
- 1.0M
- Model output limit
- 66K
- Open weights
- No
- File attachments
- Yes
- Reasoning
- Yes
- Tool calling
- Yes
- Structured output
- Yes
- Temperature control
- Yes
Published benchmarks
Complete source record (JSON)
{
"id": "google/gemini-3-flash-preview",
"name": "Gemini 3 Flash Preview",
"description": "New Gemini flash lane bringing frontier-style multimodal reasoning to cheaper runs",
"family": "gemini-flash",
"last_updated": "2025-12-17",
"knowledge": "2025-01",
"attachment": true,
"reasoning": true,
"tool_call": true,
"structured_output": true,
"temperature": true,
"modalities": {
"input": [
"text",
"image",
"video",
"audio",
"pdf"
],
"output": [
"text"
]
},
"limit": {
"context": 1048576,
"output": 65536
},
"benchmarks": [
{
"name": "SWE-Bench Pro",
"score": 34.63,
"source": "https://labs.scale.com/leaderboard/swe_bench_pro_public",
"metric": "resolve rate",
"dataset": "public"
},
{
"name": "SWE-Atlas Codebase QnA",
"score": 8.2,
"source": "https://labs.scale.com/leaderboard/sweatlas-qna",
"metric": "score",
"harness": "Mini-SWE-Agent"
},
{
"name": "SWE-Atlas Refactoring",
"score": 10,
"source": "https://labs.scale.com/leaderboard/sweatlas-refactoring",
"metric": "score",
"harness": "Mini-SWE-Agent"
},
{
"name": "SWE-Atlas Test Writing",
"score": 30.3,
"source": "https://labs.scale.com/leaderboard/sweatlas-tw",
"metric": "score",
"harness": "Mini-SWE-Agent"
}
],
"release_date": "2025-12-17",
"open_weights": false
}Infrastructure
Provider availability
| Provider | Endpoint | Context | Input /M tokens | Output /M tokens | Cached input /M tokens | Cache write /M tokens | Uptime 1d | Data handling |
|---|---|---|---|---|---|---|---|---|
| google-vertex/global/flex | 1.0M | $0.25 | $1.50 | $0.02 | $0.04 | 99.93% | ZDR: YesTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 | |
| google-vertex/global/flexBatch pricing | 1.0M | $0.25 | $1.50 | $0.02 | $0.04 | 99.93% | ZDR: NoTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 | |
| google-ai-studio/flex | 1.0M | $0.25 | $1.50 | $0.02 | $0.04 | 100.00% | ZDR: NoTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 | |
| google-ai-studio/flexBatch pricing | 1.0M | $0.25 | $1.50 | $0.02 | $0.04 | 100.00% | ZDR: NoTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 | |
| google-vertex/global | 1.0M | $0.50 | $3.00 | $0.05 | $0.08 | 100.00% | ZDR: YesTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 | |
| google-vertex/globalBatch pricing | 1.0M | $0.50 | $3.00 | $0.05 | $0.08 | 100.00% | ZDR: NoTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 | |
| google-ai-studio | 1.0M | $0.50 | $3.00 | $0.05 | $0.08 | 100.00% | ZDR: NoTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 | |
| google-ai-studioBatch pricing | 1.0M | $0.50 | $3.00 | $0.05 | $0.08 | 100.00% | ZDR: NoTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 | |
| google-vertex/global/priority | 1.0M | $0.90 | $5.40 | $0.09 | $0.15 | 100.00% | ZDR: YesTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 | |
| google-vertex/global/priorityBatch pricing | 1.0M | $0.90 | $5.40 | $0.09 | $0.15 | 100.00% | ZDR: NoTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 | |
| google-ai-studio/priority | 1.0M | $0.90 | $5.40 | $0.09 | $0.15 | 100.00% | ZDR: NoTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 | |
| google-ai-studio/priorityBatch pricing | 1.0M | $0.90 | $5.40 | $0.09 | $0.15 | 100.00% | ZDR: NoTraining: Unknown Prompt logging: Unknown Retention: Unknown Checked 2026-10-15 |
Provider data:OpenRouter
Text provenance
Gemini app/webGoogle SynthID text watermarking
Google DeepMind says text generated in the Gemini app and web experience is watermarked with SynthID by adjusting token probabilities.
Official explanation