GPT-5.1 Codex vs nemotron-3-nano-30b-a3b

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

nemotron-3-nano-30b-a3b by NVIDIA wins on 3 of 5 benchmarks against GPT-5.1 Codex by OpenAI, which leads on 2. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

Reasoning: In reasoning, GPT-5.1 Codex scores 65.0% on GPQA Diamond compared to nemotron-3-nano-30b-a3b's 61.6%.

Context: In context, GPT-5.1 Codex scores 400K on Context Length compared to nemotron-3-nano-30b-a3b's 262K.

Pricing Comparison

GPT-5.1 Codex costs $1.3/1M input tokens and $10.0/1M output tokens, while nemotron-3-nano-30b-a3b costs $0.05/1M input and $0.20/1M output. nemotron-3-nano-30b-a3b is the more affordable option for API usage.

Verdict

nemotron-3-nano-30b-a3b leads across the board in affordability, making it the stronger overall choice in this comparison.

GPT-5.1 Codex vs nemotron-3-nano-30b-a3b — FAQ

Which is better, GPT-5.1 Codex or nemotron-3-nano-30b-a3b?

nemotron-3-nano-30b-a3b wins on more benchmarks overall (3 vs 2). However, the best choice depends on your specific needs — each model excels in different areas.

How does GPT-5.1 Codex compare to nemotron-3-nano-30b-a3b for coding?

SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.

Is GPT-5.1 Codex cheaper than nemotron-3-nano-30b-a3b?

Yes, nemotron-3-nano-30b-a3b is cheaper. GPT-5.1 Codex costs $1.3/1M input and $10.0/1M output tokens. nemotron-3-nano-30b-a3b costs $0.05/1M input and $0.20/1M output tokens.

Which is faster, GPT-5.1 Codex or nemotron-3-nano-30b-a3b?

Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.

What benchmarks does the GPT-5.1 Codex vs nemotron-3-nano-30b-a3b comparison cover?

This comparison covers 5 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, Cached Input Cost. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.