Model Comparison
Llama 3.1 8B Instruct vs Nova MicroWhich is better in 2026?
Nova Micro significantly outperforms across most benchmarks. Llama 3.1 8B Instruct is 1.9x cheaper per token.
Verdict: Llama 3.1 8B Instruct vs Nova Micro — which is better?
Llama 3.1 8B Instruct (by Meta) and Nova Micro (by Amazon) 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.
Llama 3.1 8B Instruct outperforms in 1 benchmarks (BFCL), while Nova Micro is better at 6 benchmarks (ARC-C, DROP, GPQA, HumanEval, IFEval, MMLU). Nova Micro significantly outperforms across most benchmarks.
On price, Llama 3.1 8B Instruct is roughly 1.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Llama 3.1 8B Instruct also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.
Choose Llama 3.1 8B Instruct if…
- cost matters — it's about 1.9x cheaper per token
- you process long inputs — it offers a 131,072 token context window
- you need open weights you can self-host or fine-tune
Choose Nova Micro if…
- you want the strongest raw capability — it leads on 6 of 7 shared benchmarks
- you want the most recent training data — it shipped Nov 2024
Performance Benchmarks
Comparative analysis across standard metrics
Llama 3.1 8B Instruct outperforms in 1 benchmarks (BFCL), while Nova Micro is better at 6 benchmarks (ARC-C, DROP, GPQA, HumanEval, IFEval, MMLU).
Nova Micro significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Llama 3.1 8B Instruct ($0.03/1M tokens) costs the same as Nova Micro ($0.03/1M tokens).
For output processing, Llama 3.1 8B Instruct ($0.03/1M tokens) is 4.7x cheaper than Nova Micro ($0.14/1M tokens).
In conclusion, Nova Micro is more expensive than Llama 3.1 8B Instruct.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Llama 3.1 8B Instruct accepts 131,072 input tokens compared to Nova Micro's 128,000 tokens. Llama 3.1 8B Instruct can generate longer responses up to 131,072 tokens, while Nova Micro is limited to 128,000 tokens.
License
Usage and distribution terms
Llama 3.1 8B Instruct is licensed under Llama 3.1 Community License, while Nova Micro uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Llama 3.1 Community License
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Llama 3.1 8B Instruct was released on 2024-07-23, while Nova Micro was released on 2024-11-20.
Nova Micro is 4 months newer than Llama 3.1 8B Instruct.
Jul 23, 2024
2.0 years ago
Nov 20, 2024
1.7 years ago
4mo newerKnowledge Cutoff
When training data ends
Llama 3.1 8B Instruct has a documented knowledge cutoff of 2023-12-31, while Nova Micro's cutoff date is not specified.
We can confirm Llama 3.1 8B Instruct's training data extends to 2023-12-31, but cannot make a direct comparison without Nova Micro's cutoff date.
Dec 2023
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Provider Availability
Llama 3.1 8B Instruct is available from Lambda, DeepInfra, Groq, Sambanova, Cerebras, Hyperbolic, Together, Fireworks, Bedrock. Nova Micro is available from Bedrock.
Llama 3.1 8B Instruct
Nova Micro
Outputs Comparison
Key Takeaways
Nova Micro
View detailsAmazon
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Llama 3.1 8B Instruct and Nova Micro side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Llama 3.1 8B Instruct vs Nova Micro.