Gemini 3 Flash vs Nemotron 3.5 Lightning (30B A3B): Specs & Benchmark Comparison

Gemini 3 Flash is developed by Google, while Nemotron 3.5 Lightning (30B A3B) comes from NVIDIA. Gemini 3 Flash was released in December 2025, and Nemotron 3.5 Lightning (30B A3B) followed 8 months later in August 2026. Nemotron 3.5 Lightning (30B A3B) has a published size of about 30 billion parameters; Google has not disclosed the parameter count of Gemini 3 Flash.

The two models share 3 published benchmarks. Gemini 3 Flash leads on 3 of them. The widest gaps are on Humanity's Last Exam, where Gemini 3 Flash scores 43.5% against 11.7%; SWE-Bench Verified, where Gemini 3 Flash scores 78.0% against 51.6%. Averaged across everything we track, Gemini 3 Flash sits at 63.0% and Nemotron 3.5 Lightning (30B A3B) at 45.3%.

Nemotron 3.5 Lightning (30B A3B) is the cheaper API at $0.05 per million input tokens and $0.20 per million output tokens, roughly 10 times cheaper than Gemini 3 Flash at $0.50 and $3. Gemini 3 Flash takes the larger context window at 1M tokens, compared with 262K for Nemotron 3.5 Lightning (30B A3B). Gemini 3 Flash accepts text, images, audio, and video as input, while Nemotron 3.5 Lightning (30B A3B) accepts text.

CharacteristicGemini 3 FlashNemotron 3.5 Lightning (30B A3B)
CompanyGoogleNVIDIA
Release DateDecember 16, 2025August 11, 2026
Parameters30B
MultimodalYesNo
Context (input)1.0M262K
Context (output)66K262K
Input Price / 1M$0.50$0.05
Output Price / 1M$3.00$0.20
Average Score63.0%45.3%
Benchmarks
Humanity's Last Exam43.5%11.7%
SWE-Bench Verified78.0%51.6%
GPQA90.0%75.0%

Visual Benchmark Comparison

Gemini 3 Flash
Nemotron 3.5 Lightning (30B A3B)
Humanity's Last Exam0.4 vs 0.1
0.4
0.1
SWE-Bench Verified0.8 vs 0.5
0.8
0.5
GPQA0.9 vs 0.8
0.9
0.8

Verdict

Nemotron 3.5 Lightning (30B A3B) leads in 2 out of 5 comparison categories.

Overall Performance

Both models show comparable average scores: Gemini 3 Flash — 0.6, Nemotron 3.5 Lightning (30B A3B) — 0.5.

Programming

On SWE-Bench, both models are nearly equal: Gemini 3 Flash — 0.8, Nemotron 3.5 Lightning (30B A3B) — 0.5.

API Cost

Nemotron 3.5 Lightning (30B A3B) is 14.0x cheaper: input $0.05/1M vs $0.50/1M tokens.

Context Window

Gemini 3 Flash supports a larger context: 1M vs 262K tokens.

Recency

Nemotron 3.5 Lightning (30B A3B) is newer: released 8/11/2026 vs 12/16/2025.

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Frequently Asked Questions

Which is better for coding — Gemini 3 Flash or Nemotron 3.5 Lightning (30B A3B)?
On the SWE-Bench benchmark, Gemini 3 Flash shows a better result: 78.0% vs 51.6%.
Which model is cheaper — Gemini 3 Flash or Nemotron 3.5 Lightning (30B A3B)?
Nemotron 3.5 Lightning (30B A3B) is cheaper for input: $0.05 per 1M tokens vs $0.50.
Which has a larger context window — Gemini 3 Flash or Nemotron 3.5 Lightning (30B A3B)?
Gemini 3 Flash supports a larger context: 1,048,576 tokens vs 262,100.

The Gemini 3 Flash and Nemotron 3.5 Lightning (30B A3B) comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3 Flash or Nemotron 3.5 Lightning (30B A3B) page. See also the complete list of AI model comparisons.