Model Comparison
GPT-3.5 Turbo vs Llama 3.1 Nemotron Nano 8B V1Which is better in 2026?
Llama 3.1 Nemotron Nano 8B V1 significantly outperforms across most benchmarks.
Verdict: GPT-3.5 Turbo vs Llama 3.1 Nemotron Nano 8B V1 — which is better?
GPT-3.5 Turbo (by OpenAI) and Llama 3.1 Nemotron Nano 8B V1 (by NVIDIA) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
GPT-3.5 Turbo outperforms in 0 benchmarks, while Llama 3.1 Nemotron Nano 8B V1 is better at 1 benchmark (GPQA). Llama 3.1 Nemotron Nano 8B V1 significantly outperforms across most benchmarks.
Choose GPT-3.5 Turbo if…
- you want predictable pricing at $0.50/M input and $1.50/M output
Choose Llama 3.1 Nemotron Nano 8B V1 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you want the most recent training data — it shipped Mar 2025
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
GPT-3.5 Turbo outperforms in 0 benchmarks, while Llama 3.1 Nemotron Nano 8B V1 is better at 1 benchmark (GPQA).
Llama 3.1 Nemotron Nano 8B V1 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Context Window
Maximum input and output token capacity
Only GPT-3.5 Turbo specifies input context (16,385 tokens). Only GPT-3.5 Turbo specifies output context (4,096 tokens).
License
Usage and distribution terms
GPT-3.5 Turbo is licensed under a proprietary license, while Llama 3.1 Nemotron Nano 8B V1 uses Llama 3.1 Community License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Llama 3.1 Community License
Open weights
Release Timeline
When each model was launched
GPT-3.5 Turbo was released on 2023-03-21, while Llama 3.1 Nemotron Nano 8B V1 was released on 2025-03-18.
Llama 3.1 Nemotron Nano 8B V1 is 24 months newer than GPT-3.5 Turbo.
Mar 21, 2023
3.3 years ago
Mar 18, 2025
1.3 years ago
2.0yr newerKnowledge Cutoff
When training data ends
GPT-3.5 Turbo has a knowledge cutoff of 2021-09-30, while Llama 3.1 Nemotron Nano 8B V1 has a cutoff of 2023-12-31.
Llama 3.1 Nemotron Nano 8B V1 has more recent training data (up to 2023-12-31), making it potentially better informed about events through that date compared to GPT-3.5 Turbo (2021-09-30).
Sep 2021
Dec 2023
2.3 yr newerOutputs Comparison
Key Takeaways
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against GPT-3.5 Turbo and Llama 3.1 Nemotron Nano 8B V1 side-by-side, then vote on the output you prefer.
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FAQ
Common questions about GPT-3.5 Turbo vs Llama 3.1 Nemotron Nano 8B V1.