GPT-5.4 vs Nemotron 3.5 Lightning (30B A3B): Specs & Benchmark Comparison

CharacteristicGPT-5.4Nemotron 3.5 Lightning (30B A3B)
CompanyOpenAINVIDIA
Release DateMarch 5, 2026August 11, 2026
Parameters30B
MultimodalYesNo
Context (input)1.0M262K
Context (output)128K262K
Input Price / 1M$2.50$0.05
Output Price / 1M$15.00$0.20
Average Score0.90.8
Benchmarks
GPQA0.90.8

Visual Benchmark Comparison

GPT-5.4
Nemotron 3.5 Lightning (30B A3B)
GPQA0.9 vs 0.8
0.9
0.8

Verdict

Nemotron 3.5 Lightning (30B A3B) leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: GPT-5.4 — 0.9, Nemotron 3.5 Lightning (30B A3B) — 0.8.

API Cost

Nemotron 3.5 Lightning (30B A3B) is 70.0x cheaper: input $0.05/1M vs $2.50/1M tokens.

Context Window

GPT-5.4 supports a larger context: 1M vs 262K tokens.

Recency

Nemotron 3.5 Lightning (30B A3B) is newer: released 8/11/2026 vs 3/5/2026.

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Frequently Asked Questions

Which is better for coding — GPT-5.4 or Nemotron 3.5 Lightning (30B A3B)?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GPT-5.4 or Nemotron 3.5 Lightning (30B A3B)?
Nemotron 3.5 Lightning (30B A3B) is cheaper for input: $0.05 per 1M tokens vs $2.50.
Which has a larger context window — GPT-5.4 or Nemotron 3.5 Lightning (30B A3B)?
GPT-5.4 supports a larger context: 1,000,000 tokens vs 262,100.

The GPT-5.4 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 GPT-5.4 or Nemotron 3.5 Lightning (30B A3B) page. See also the complete list of AI model comparisons.