Nano Banana Pro (Gemini 3 Pro Image Preview) vs Gemini Deep Research
Nano Banana Pro (Gemini 3 Pro Image Preview) (2025) and Gemini Deep Research (2024) are compact production models from Google DeepMind. Nano Banana Pro (Gemini 3 Pro Image Preview) ships a 66K-token context window, while Gemini Deep Research ships a 128K-token context window. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing.
Nano Banana Pro (Gemini 3 Pro Image Preview) is safer overall; choose Gemini Deep Research when long-context analysis matters.
Decision scorecard
Local evidence first| Signal | Nano Banana Pro (Gemini 3 Pro Image Preview) | Gemini Deep Research |
|---|---|---|
| Decision fit | General | RAG, Agents, and Long context |
| Context window | 66K | 128K |
| Cheapest output | $120/1M tokens | - |
| Provider routes | 3 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Nano Banana Pro (Gemini 3 Pro Image Preview) has broader tracked provider coverage for fallback and procurement flexibility.
- Gemini Deep Research has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Gemini Deep Research uniquely exposes Function calling, Tool use, and Structured outputs in local model data.
- Local decision data tags Gemini Deep Research for RAG, Agents, and Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output prices on this page.
Nano Banana Pro (Gemini 3 Pro Image Preview)
$31,600
Cheapest tracked route: Google AI Studio
Gemini Deep Research
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- Provider overlap exists on Google AI Studio; start route-level A/B tests there.
- Gemini Deep Research adds Function calling, Tool use, and Structured outputs in local capability data.
- Provider overlap exists on Google AI Studio; start route-level A/B tests there.
- Check replacement coverage for Function calling, Tool use, and Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-09-01 | 2024-12-11 |
| Context window | 66K | 128K |
| Parameters | — | — |
| Architecture | decoder only | decoder only |
| License | Unknown | Proprietary |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Nano Banana Pro (Gemini 3 Pro Image Preview) | Gemini Deep Research |
|---|---|---|
| Input price | $2/1M tokens | - |
| Output price | $120/1M tokens | - |
| Providers |
Capabilities
| Capability | Nano Banana Pro (Gemini 3 Pro Image Preview) | Gemini Deep Research |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | Yes |
| Tool use | No | Yes |
| Structured outputs | No | Yes |
| Code execution | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on function calling: Gemini Deep Research, tool use: Gemini Deep Research, and structured outputs: Gemini Deep Research. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
Pricing coverage is uneven: Nano Banana Pro (Gemini 3 Pro Image Preview) has $2/1M input tokens and Gemini Deep Research has no token price sourced yet. Provider availability is 3 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Nano Banana Pro (Gemini 3 Pro Image Preview) when provider fit and broader provider choice are central to the workload. Choose Gemini Deep Research when long-context analysis and larger context windows are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which has a larger context window, Nano Banana Pro (Gemini 3 Pro Image Preview) or Gemini Deep Research?
Gemini Deep Research supports 128K tokens, while Nano Banana Pro (Gemini 3 Pro Image Preview) supports 66K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Nano Banana Pro (Gemini 3 Pro Image Preview) or Gemini Deep Research open source?
Nano Banana Pro (Gemini 3 Pro Image Preview) is listed under Unknown. Gemini Deep Research is listed under Proprietary. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for function calling, Nano Banana Pro (Gemini 3 Pro Image Preview) or Gemini Deep Research?
Gemini Deep Research has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for tool use, Nano Banana Pro (Gemini 3 Pro Image Preview) or Gemini Deep Research?
Gemini Deep Research has the clearer documented tool use signal in this comparison. If tool use is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for structured outputs, Nano Banana Pro (Gemini 3 Pro Image Preview) or Gemini Deep Research?
Gemini Deep Research has the clearer documented structured outputs signal in this comparison. If structured outputs is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Nano Banana Pro (Gemini 3 Pro Image Preview) and Gemini Deep Research?
Nano Banana Pro (Gemini 3 Pro Image Preview) is available on Google AI Studio, GCP Vertex AI, and OpenRouter. Gemini Deep Research is available on Google AI Studio. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.