Llama 3.1 70B Instruct vs Nova 2 Sonic
Llama 3.1 70B Instruct and Nova 2 Sonic are closely matched at 7.7 and 9.2 on the LLM Stats Score. Llama 3.1 70B Instruct is 4.7x cheaper per token.
Meta · Amazon · Updated for 2026
Which is better?
Llama 3.1 70B Instruct and Nova 2 Sonic are closely matched on the overall LLM Stats Score at 7.7 and 9.2.
In the 1 individual benchmarks reported for both models, Llama 3.1 70B Instruct wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, Llama 3.1 70B Instruct is roughly 4.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Nova 2 Sonic also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Llama 3.1 70B Instruct
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- cost matters — it's about 4.7x cheaper per token
- you need open weights you can self-host or fine-tune
Choose Nova 2 Sonic
- your work emphasizes reasoning — it leads those capability indexes
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Dec 2025
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
18 reported for Llama 3.1 70B Instruct · 4 for Nova 2 Sonic
Llama 3.1 70B Instruct outperforms in 1 benchmarks (BFCL), while Nova 2 Sonic is better at 0 benchmarks.
Llama 3.1 70B Instruct significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Llama 3.1 70B Instruct ($0.20/1M tokens) is 1.6x cheaper than Nova 2 Sonic ($0.33/1M tokens).
For output processing, Llama 3.1 70B Instruct ($0.20/1M tokens) is 13.8x cheaper than Nova 2 Sonic ($2.75/1M tokens).
In conclusion, Nova 2 Sonic is more expensive than Llama 3.1 70B Instruct.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Nova 2 Sonic accepts 1,000,000 input tokens compared to Llama 3.1 70B Instruct's 128,000 tokens. Llama 3.1 70B Instruct can generate longer responses up to 128,000 tokens, while Nova 2 Sonic is limited to 65,536 tokens.
Input capabilities
Documented input modalities across available providers
Nova 2 Sonic supports multimodal inputs, whereas Llama 3.1 70B Instruct does not.
Nova 2 Sonic can handle both text and other forms of data like images, making it suitable for multimodal applications.
Llama 3.1 70B Instruct
Nova 2 Sonic
License
Usage and distribution terms
Llama 3.1 70B Instruct is licensed under Llama 3.1 Community License, while Nova 2 Sonic 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 70B Instruct was released on 2024-07-23, while Nova 2 Sonic was released on 2025-12-02.
Nova 2 Sonic is 17 months newer than Llama 3.1 70B Instruct.
Jul 23, 2024
2.1 years ago
Dec 2, 2025
9 months ago
1.4yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Llama 3.1 70B Instruct is available from Lambda, DeepInfra, Hyperbolic, Groq, Cerebras, Together, Fireworks, Bedrock, Sambanova. Nova 2 Sonic is available from Bedrock.
Llama 3.1 70B Instruct
Nova 2 Sonic
Outputs Comparison
Judge for yourself.
Run your own prompts against Llama 3.1 70B Instruct and Nova 2 Sonic side-by-side, then vote on the output you prefer.
FAQ
Common questions about Llama 3.1 70B Instruct vs Nova 2 Sonic.