Nano Banana (Gemini 2.5 Flash Image) vs Nemotron 3 Ultra
Nano Banana (Gemini 2.5 Flash Image) (2025) and Nemotron 3 Ultra (2026) are frontier reasoning models from Google DeepMind and NVIDIA AI. Nano Banana (Gemini 2.5 Flash Image) ships a 33k-token context window, while Nemotron 3 Ultra ships a 1m-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Nano Banana (Gemini 2.5 Flash Image) is ~67% cheaper at $0.30/1M; pay for Nemotron 3 Ultra only for reasoning depth.
Decision scorecard
Local evidence first| Signal | Nano Banana (Gemini 2.5 Flash Image) | Nemotron 3 Ultra |
|---|---|---|
| Best for | provider-routed production | reasoning-heavy apps and long-context analysis |
| Decision fit | General | Long context |
| Context window | 33k | 1m |
| Cheapest output | $30/1M tokens | $2.20/1M tokens |
| Provider routes | 4 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Nano Banana (Gemini 2.5 Flash Image) has broader tracked provider coverage for fallback and procurement flexibility.
- Nemotron 3 Ultra has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Nemotron 3 Ultra has the lower cheapest tracked output price at $2.20/1M tokens.
- Nemotron 3 Ultra uniquely exposes Reasoning in local model data.
- Local decision data tags Nemotron 3 Ultra for Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Nano Banana (Gemini 2.5 Flash Image)
$7,740
Cheapest tracked route/tier: Google AI Studio
Nemotron 3 Ultra
$950
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $6,790. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Nemotron 3 Ultra is $27.80/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Nemotron 3 Ultra adds Reasoning in local capability data.
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Nano Banana (Gemini 2.5 Flash Image) is $27.80/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Reasoning before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-04-01 | 2026-06-04 |
| Context window | 33k | 1m |
| Parameters | — | 550B |
| Architecture | Decoder Only | Mixture of Experts |
| License | Proprietary | NVIDIA Open Model |
| Openness | Proprietary | Open weights |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Nano Banana (Gemini 2.5 Flash Image) | Nemotron 3 Ultra |
|---|---|---|
| Input price | $0.30/1M tokens | $0.50/1M tokens |
| Output price | $30/1M tokens | $2.20/1M tokens |
| Providers |
Capabilities
| Capability | Nano Banana (Gemini 2.5 Flash Image) | Nemotron 3 Ultra |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | Yes |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | No | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
Deep dive
The capability footprint differs most on reasoning mode: Nemotron 3 Ultra. 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.
For cost, Nano Banana (Gemini 2.5 Flash Image) lists $0.30/1M input and $30/1M output tokens on the cheapest tracked provider, while Nemotron 3 Ultra lists $0.50/1M input and $2.20/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Nemotron 3 Ultra lower by about $8.20 per million blended tokens. Availability is 4 providers versus 1, so concentration risk also matters.
Choose Nano Banana (Gemini 2.5 Flash Image) when provider fit, lower input-token cost, and broader provider choice are central to the workload. Choose Nemotron 3 Ultra when reasoning depth 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 (Gemini 2.5 Flash Image) or Nemotron 3 Ultra?
Nemotron 3 Ultra supports 1m tokens, while Nano Banana (Gemini 2.5 Flash Image) supports 33k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Nano Banana (Gemini 2.5 Flash Image) or Nemotron 3 Ultra?
Nemotron 3 Ultra is cheaper on tracked token pricing. Nano Banana (Gemini 2.5 Flash Image) costs $0.30/1M input and $30/1M output tokens. Nemotron 3 Ultra costs $0.50/1M input and $2.20/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Nano Banana (Gemini 2.5 Flash Image) or Nemotron 3 Ultra open source?
Nano Banana (Gemini 2.5 Flash Image) is listed under Proprietary. Nemotron 3 Ultra is listed under NVIDIA Open Model. 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 reasoning mode, Nano Banana (Gemini 2.5 Flash Image) or Nemotron 3 Ultra?
Nemotron 3 Ultra has the clearer documented reasoning mode signal in this comparison. If reasoning mode 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 (Gemini 2.5 Flash Image) and Nemotron 3 Ultra?
Nano Banana (Gemini 2.5 Flash Image) is available on Google AI Studio, GCP Vertex AI, OpenRouter, and Vercel AI Gateway. Nemotron 3 Ultra is available on OpenRouter. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Nano Banana (Gemini 2.5 Flash Image) over Nemotron 3 Ultra?
Nano Banana (Gemini 2.5 Flash Image) is ~67% cheaper at $0.30/1M; pay for Nemotron 3 Ultra only for reasoning depth. If your workload also depends on provider fit, start with Nano Banana (Gemini 2.5 Flash Image); if it depends on reasoning depth, run the same evaluation with Nemotron 3 Ultra.
Continue comparing
Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.