Gemini 3.1 Flash vs Nemotron 3 Ultra
Detailed technical comparison between Gemini 3.1 Flash (Google) and Nemotron 3 Ultra (Nvidia). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
Gemini 3.1 Flash
1,000,000 tokensTie
Equal CapabilityTie
Equal SpeedGemini 3.1 Flash
$0.25 / MTokGemini 3.1 Flash
Gemini 3.1 Flash is Google's high-speed, cost-efficient multimodal model in the 3.1 generation, purpose-built for high-volume content synthesis, classification, and intelligent routing at scale. Featuring a 1-million-token context window, it can process large batches of documents, customer data, or multimedia content in a single inference pass, dramatically reducing pipeline complexity. At just $0.25/MTok for input, it is one of the most affordable routes to Google-caliber multimodal AI, making it an ideal backbone for production pipelines, data enrichment workflows, and high-frequency API integrations.
Nemotron 3 Ultra
NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...
Technical Specifications
🏆 = Superior Spec| Specification | Gemini 3.1 Flash | Nemotron 3 Ultra |
|---|---|---|
| Provider | Nvidia | |
| Context Window | 1,000,000 tokens🏆 | 512,288 tokens |
| Agent Suitability | 86/100 | N/A |
| Time to First Token (TTFT) | 150 ms | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2026-04-20 | 2026-06-04 |
API Pricing Comparison
Input Price per Million Tokens
Gemini 3.1 Flash
$0.25
Nemotron 3 Ultra
$0.50
Output Price per Million Tokens
Gemini 3.1 Flash
$1.50
Nemotron 3 Ultra
$2.20
💡 Cost Ratio: Gemini 3.1 Flash is 2.0x cheaper per input token than Nemotron 3 Ultra.
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Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
Gemini 3.1 Flash Quirks & Gotchas
- ▸Most cost-effective Google model — ideal for high-volume pipelines
- ▸Context caching available via Vertex AI for repeated document processing
Nemotron 3 Ultra Quirks & Gotchas
No developer gotchas reported.
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