Model comparison

Gemini 3.8 Flash vs Nemotron 3 Ultra

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 42.5 on the Noometry Index. Nemotron 3 Ultra costs 1.6× less per token, which makes it the better buy when Gemini 3.8 Flash's lead doesn't matter for your workload.

Last verified . 30 shared benchmarks.

Gemini 3.8 Flash Google

61.8

Rank #11 Confirmed

Nemotron 3 Ultra NVIDIA

42.5

Rank #113 Confirmed

Summary

  • They share 30 benchmarks with published results for both. Gemini 3.8 Flash scores higher in 9 categories and Nemotron 3 Ultra in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.8 Flash leads 76.9 to 31.0.
  • The biggest single-benchmark swing is Chess Puzzles: 61% for Gemini 3.8 Flash and 12% for Nemotron 3 Ultra.
  • Nemotron 3 Ultra is cheaper at $0.50 / $2.20 per million input/output tokens, against $0.75 / $3.75 for Gemini 3.8 Flash.
  • Gemini 3.8 Flash accepts more context: 1.05M tokens versus 262K.
  • Nemotron 3 Ultra has downloadable open weights; the other is API-only.

Side by side

Gemini 3.8 Flash and Nemotron 3 Ultra specifications
Gemini 3.8 FlashNemotron 3 Ultra
ProviderGoogleNVIDIA
Noometry Index61.842.5
Released2026-09-022026-06-04
WeightsProprietaryOpen
Context window1.05M262K
Max output66K128K
Input $ / M tokens$0.75$0.50
Output $ / M tokens$3.75$2.20
Results tracked5030

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Category by category

Coding Gemini 3.8 Flash leads

Gemini 3.8 Flash: 59.2 (#15), Nemotron 3 Ultra: 38.1 (#182)

Coding benchmarks
BenchmarkGemini 3.8 FlashNemotron 3 Ultra
FrontierCode41.2%13.6%
SciCode56.6%40.3%
WeirdML84.8%43.5%
LMArena Coding15101468
DeepSWE73.8%—
CursorBench39.6%—
LMArena WebDev1584—
FrontierSWE19.6%—
ALE-Bench1,270—

Agentic & Tool Use Gemini 3.8 Flash leads

Gemini 3.8 Flash: 41.8 (#21), Nemotron 3 Ultra: 23.4 (#126)

Agentic & Tool Use benchmarks
BenchmarkGemini 3.8 FlashNemotron 3 Ultra
APEX-Agents64.3%22.7%
Remote Labor Index5.8%—
GDP.pdf23.4%—
Vending-Bench 25,094—

Reasoning Gemini 3.8 Flash leads

Gemini 3.8 Flash: 76.9 (#5), Nemotron 3 Ultra: 31.0 (#82)

Reasoning benchmarks
BenchmarkGemini 3.8 FlashNemotron 3 Ultra
CritPt18.3%3.1%
Chess Puzzles61%12%
LMArena Hard Prompts15081452
Mystery Game Puzzles47%20%
DTBench95.7%90.1%
LMCA52.9%36.9%
Epoch Capabilities Index156.71146.17
ARC-AGI-289.2%—
NYT Connections (extended)97.4%—
ARC-AGI-198.5%—
Surface Evolver Bench76.9%—

Math Gemini 3.8 Flash leads

Gemini 3.8 Flash: 65.3 (#28), Nemotron 3 Ultra: 35.3 (#187)

Math benchmarks
BenchmarkGemini 3.8 FlashNemotron 3 Ultra
OTIS Mock AIME 2024-202598.9%86.7%
ProofBench48%2%
LMArena Math15281457
FrontierMath (Tiers 1-3)68.4%—
FrontierMath Tier 422%—

Knowledge Gemini 3.8 Flash leads

Gemini 3.8 Flash: 74.8 (#2), Nemotron 3 Ultra: 52.5 (#61)

Knowledge benchmarks
BenchmarkGemini 3.8 FlashNemotron 3 Ultra
GPQA Diamond95.4%85.4%
LMArena Expert15241472
Humanity's Last Exam44.5%—
SimpleQA Verified69.7%—

Multimodal Not comparable

Gemini 3.8 Flash: 40.7 (#45), Nemotron 3 Ultra: —

Multimodal benchmarks
BenchmarkGemini 3.8 FlashNemotron 3 Ultra
LMArena Vision1314—
Blueprint-Bench 238.6%—
Furniture Assembly31.7%—

Multilingual Gemini 3.8 Flash leads

Gemini 3.8 Flash: 58.0 (#5), Nemotron 3 Ultra: 53.5 (#64)

Multilingual benchmarks
BenchmarkGemini 3.8 FlashNemotron 3 Ultra
LMArena Non-English14911427
LMArena Chinese15541497
LMArena French14981472
LMArena German14931471
LMArena Korean14591386
LMArena Russian15151417
LMArena Spanish14851454
LMArena Japanese1502—

Instruction Following Gemini 3.8 Flash leads

Gemini 3.8 Flash: 78.0 (#13), Nemotron 3 Ultra: 74.7 (#88)

Instruction Following benchmarks
BenchmarkGemini 3.8 FlashNemotron 3 Ultra
LMArena Instruction Following14901418

Long Context Gemini 3.8 Flash leads

Gemini 3.8 Flash: 46.3 (#24), Nemotron 3 Ultra: 43.9 (#81)

Long Context benchmarks
BenchmarkGemini 3.8 FlashNemotron 3 Ultra
LMArena Longer Query15081437

Writing & Preference Gemini 3.8 Flash leads

Gemini 3.8 Flash: 72.2 (#15), Nemotron 3 Ultra: 66.3 (#36)

Writing & Preference benchmarks
BenchmarkGemini 3.8 FlashNemotron 3 Ultra
LMArena Text14991445
LMArena Creative Writing14921398
EQ-Bench Creative Writing17481692
LMArena Multi-Turn15011411

Frequently asked questions

Is Gemini 3.8 Flash better than Nemotron 3 Ultra?

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 42.5 on the Noometry Index. Nemotron 3 Ultra costs 1.6× less per token, which makes it the better buy when Gemini 3.8 Flash's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.8 Flash or Nemotron 3 Ultra?

Nemotron 3 Ultra is cheaper. It lists at $0.50 per million input tokens and $2.20 per million output tokens; Gemini 3.8 Flash lists at $0.75 and $3.75.

Is Gemini 3.8 Flash or Nemotron 3 Ultra better for coding?

Gemini 3.8 Flash scores higher on coding benchmarks: 59.2 versus 38.1 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.8 Flash does, with 1.05M tokens against 262K.

How many benchmarks do Gemini 3.8 Flash and Nemotron 3 Ultra share?

30 benchmarks have published results for both models. Gemini 3.8 Flash has 50 scored results on Noometry and Nemotron 3 Ultra has 30.

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