Nano Banana Pro (Gemini 3 Pro Image Preview)
Nano Banana Pro (Gemini 3 Pro Image Preview) is a legacy integration reference; evaluate Nano Banana Pro (Gemini 3 Pro Image) before starting new work.
- Family
- Gemini 3
- Released
- 2025-09-01
- Lifecycle
- Retired June 25, 2026
- Context
- 66K
- Architecture
- Decoder Only
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryRestricted
- Weights
- Not released
- Code
- Unknown
No tracked provider pricing is available yet.
No tracked provider pricing is available yet.
This model is deprecated. Google DeepMind recommends switching to Nano Banana Pro (Gemini 3 Pro Image).
About
Preview release of Nano Banana Pro for Gemini 3 Pro Image. Google released the GA gemini-3-pro-image model on 2026-05-28 and will retire this preview API ID on 2026-06-25.
Providers
No active provider routes are tracked for this model.
Deprecated provider routes(3)
| Provider | Status | Catalog ID |
|---|---|---|
| Google AI Studio | DeprecatedRetired June 25, 2026 | — |
| GCP Vertex AI | DeprecatedRetired June 25, 2026 | — |
| OpenRouter | DeprecatedRetired June 25, 2026 | google/gemini-3-pro-image-preview |
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
No model capability flags are currently sourced.
Benchmark peer barsfor Coding
No task-mapped benchmark peers are available for this model yet.
Benchmark scores(2)
| Benchmark | Score | Version | Evaluation | Source |
|---|---|---|---|---|
| 1,232 | text_to_image overall 2026-10-26Observed 2026-10-27 | Configuration: Gemini 3 Pro Image Preview (nano-banana-pro) Harness: LMArena blind pairwise human votes, Bradley-Terry Evaluator: LMArena Confidence: confirmed Notes: LMArena text to image leaderboard, overall category, published 2026-10-26 (HF lmarena-ai/leaderboard-dataset @a467e6b9, latest split). Board entry 'Gemini 3 Pro Image Preview (nano-banana-pro)': rank 18 of 82, Arena Score 1231.8 (95% CI 1226.9-1236.7), 86470 votes. LLM Reference model is lifecycle-deprecated; score kept as historical. Source: LMArena (CC BY 4.0). Retrieved 2026-10-27. | Source Source: LMArena (lmarena.ai), CC BY 4.0 | |
| 1,386 | image_edit overall 2026-10-06Observed 2026-10-06 | Configuration: Overall leaderboard entry (unqualified board entry) Harness: LMArena blind pairwise human votes, Bradley-Terry Evaluator: LMArena Confidence: confirmed Notes: Arena score 1386 (95% CI 1383-1389), 540,775 votes, rank 15 of 59, category overall, leaderboard published 2026-10-06. Board entry 'gemini-3-pro-image-preview (nano-banana-pro)'. LLM Reference model is lifecycle-deprecated; score kept as historical. Source: LMArena (CC BY 4.0). Retrieved 2026-10-17. | Source Source: LMArena (lmarena.ai), CC BY 4.0 |
Migration checks
No linked migration route is available for this model yet.
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