Gemini 3 Flash
Newer version available: Gemini 3.8 Flash
- Family
- Gemini 3
- Released
- 2025-12-17
- Context
- 1M
- Architecture
- Decoder Only
- Knowledge cutoff
- 2025-01
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryRestricted
- Weights
- Not released
- Code
- Unknown
- Training
- Pretrained
Cheapest of 4 routes · Google AI Studio
Cheapest of 4 routes · Google AI Studio
About
Gemini 3 Flash is Google's speed-optimized Gemini 3 model, available in public preview via the Gemini API and Vertex AI. It supports text, image, audio, and video inputs with a 1M token context window and is priced at $0.50 per 1M input tokens and $3.00 per 1M output tokens.
Top use-case fit: coding, agents, and build tasks
Coding
Q/$ DAgents
Q/$ CProviders(4)
Compare all 4Compare API pricing across 4 tracked provider routes for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Cache | Route |
|---|---|---|---|---|
| Google AI Studio | $0.500 | $3.00 | - | Serverless |
| GCP Vertex AI | $0.500 | $3.00 | - | Serverless |
| Replicate API | $0.500 | $3.00 | - | Serverless |
| Vercel AI Gateway | $0.500 | $3.00 | read $0.050 | Serverless |
Available via routers & gateways(13)
LiteLLM
GatewayOpen-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.
OpenRouter
HybridUnified hybrid gateway to 500+ models from 80+ providers via a single OpenAI-compatible API, with an optional Auto Router that selects a model per prompt from market spend data.
Portkey
GatewayProduction AI gateway routing to 1,600+ LLMs with failover, load balancing, caching, and guardrails; MIT-licensed open-source core is self-hostable. Now part of Palo Alto Networks as Prisma AIRS AI Gateway.
AIRouter
RouterCommercial LLM router (branded "AI Router" on its site) that picks the best model per request via a Decision API or an OpenAI-compatible Chat Completions endpoint, with a private selection mode that routes on anonymized patterns; sold as BYOK subscription plans priced by routed tokens.
Helicone
GatewayObservability-first AI gateway with routing, caching, rate limiting, and request tracing; Apache-2.0 open-source platform with a managed hosted tier for logging and analytics.
Kong AI Gateway
GatewayMulti-LLM AI gateway built on Kong Gateway 3.x, adding semantic routing, load balancing, guardrails, and MCP traffic analytics as plugins over Kong's existing API management platform.
Capabilities
Benchmark peer barsfor Coding
Benchmark scores(8)
| Benchmark | Score | Version | Evaluation | Source |
|---|---|---|---|---|
| 88.6 | —Observed 2026-04-19 | — | ||
| 71.5 | τ-benchObserved 2026-04-24 | — | ||
| 1467.0 | —Observed 2026-04-28 | — | Source Source: LMArena (lmarena.ai), CC BY 4.0 | |
| 87.6 | Vals.ai standardized CoT harness, 4-option, Pass@1, temp=0Observed 2026-06-02 | — | ||
| 90.4 | —Observed 2025-12-17 | — | ||
| 78.0 | —Observed 2025-12-17 | — | ||
| 1272.0 | vision_style_control overall 2026-10-19 (style control, default view)Observed 2026-10-26 | Configuration: Gemini 3 Flash Harness: LMArena blind pairwise human votes, Bradley-Terry Evaluator: LMArena Confidence: confirmed Notes: LMArena vision style control leaderboard, overall category, published 2026-10-19 (HF lmarena-ai/leaderboard-dataset @9761a3ce, latest split). Board entry 'Gemini 3 Flash': rank 35, Arena Score 1272.5 (95% CI 1267.3-1277.7), 39131 votes. Retrieved 2026-10-26. | Source Source: LMArena (lmarena.ai), CC BY 4.0 | |
| 1457.0 | text creative_writing 2026-10-22Observed 2026-10-22 | Configuration: Gemini 3 Flash Harness: LMArena blind pairwise human votes, Bradley-Terry Evaluator: LMArena Confidence: confirmed Notes: LMArena Text arena, Creative Writing category (no style control), board published 2026-10-22 (HF lmarena-ai/leaderboard-dataset @a467e6b9, text config, latest split). Board entry 'Gemini 3 Flash' (category creative_writing in text/latest-00000-of-00001.parquet): rank 27 of 416, rating 1456.8 (95% CI 1447.6-1466.0), 4833 votes. Other board entries for this model, not used: 'Gemini 3 Flash (Minimal)' 1435.2 (rank 55). Source: LMArena (CC BY 4.0). Retrieved 2026-10-27. | Source Source: LMArena (lmarena.ai), CC BY 4.0 |
Migration checks
No linked migration route is available for this model yet.