Gemini 3.8 Flash vs Nvidia Nemotron 3 Ultra 550B A55b

API pricing, context window and capabilities for Gemini 3.8 Flash and Nvidia Nemotron 3 Ultra 550B A55b, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

Gemini 3.8 Flash wins on Terminal-Bench, on intelligence and on context window. Nvidia Nemotron 3 Ultra 550B A55b wins on price.

Price
Nvidia Nemotron 3 Ultra 550B A55b
Terminal-Bench
Gemini 3.8 Flash
Intelligence
Gemini 3.8 Flash
Context window
Gemini 3.8 Flash

Key takeaways

who wins on what, from the published numbers

Gemini 3.8 Flash wins

  • Larger context window (1M vs 262K)
  • More serving providers (5 vs 3)
  • Supports audio
  • Has web search

Nvidia Nemotron 3 Ultra 550B A55b wins

  • Cheaper input ($0.75 vs $0.50 /1M)
  • Cheaper output ($3.75 vs $2.15 /1M)
  • Higher max output (66K vs 203K)
Cheaper overall
Nvidia Nemotron 3 Ultra 550B A55b
$0.50 + $2.15 /1M
Larger context
Gemini 3.8 Flash
1M
More providers
Gemini 3.8 Flash
5 providers

Pricing & specs

cheapest listed route · per 1M tokens
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
Gemini 3.8 FlashNvidia Nemotron 3 Ultra 550B A55b
Input $/1M$0.75via Google $0.50via DeepInfra best
Output $/1M$3.75via Google $2.15via Wandb best
Context window1M best262K
Max output66K 203K best
Serving providers5 best3
DateReleased Sep 2, 2026 Released Jun 4, 2026

Benchmarks

Benchmark scores, side by side
Gemini 3.8 FlashNvidia Nemotron 3 Ultra 550B A55b
Intelligence40.9 best22.9
Terminal-Bench88% best54%
GPQA Diamond95% best87%
Output speed145 t/s 166 t/s best
Latency (TTFT)24.48s 1.12s best

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Gemini 3.8 Flash
via Vertex AI
$7.50
Nvidia Nemotron 3 Ultra 550B A55b
via DeepInfra
$4.70

Capabilities

feature support, side by side
FeatureGemini 3.8 FlashNvidia Nemotron 3 Ultra 550B A55b
Vision✓✓
Tool use✓✓
Reasoning✓✓
Audio✓—
Prompt caching✓✓
Structured output✓✓
Web search✓—

Related comparisons

Frequently asked questions

Which is cheaper, Gemini 3.8 Flash or Nvidia Nemotron 3 Ultra 550B A55b?
Nvidia Nemotron 3 Ultra 550B A55b is cheaper for input ($0.75 vs $0.50 per 1M tokens) from DeepInfra. Nvidia Nemotron 3 Ultra 550B A55b is cheaper for output ($3.75 vs $2.15 per 1M tokens) from Wandb.
What is the context window difference between Gemini 3.8 Flash and Nvidia Nemotron 3 Ultra 550B A55b?
Gemini 3.8 Flash has a 1M-token context window and Nvidia Nemotron 3 Ultra 550B A55b has 262K tokens, so Gemini 3.8 Flash can take a larger prompt.
How do Gemini 3.8 Flash and Nvidia Nemotron 3 Ultra 550B A55b compare on benchmarks?
On the tracked benchmarks, Gemini 3.8 Flash leads on Terminal-Bench, and Gemini 3.8 Flash leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

Every weekday

AI moves fast. Here's your debrief.

News, analysis, tools, and more.

For people who build with AI