GPT-4o vs Llama 3.1 70B Instruct
GPT-4o leads the LLM Stats Score 14.4 to 7.8. Llama 3.1 70B Instruct is 21.9x cheaper per token.
OpenAI · Meta · Updated for 2026
Which is better?
GPT-4o leads the overall LLM Stats Score 14.4 to 7.8, ranking #224 overall.
In the 4 individual benchmarks reported for both models, GPT-4o wins 3; this is a narrower head-to-head signal than the composite indexes.
On price, Llama 3.1 70B Instruct is roughly 21.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-4o
- overall performance matters — it scores 14.4 and ranks #224 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 3 of 4 exact shared results
- you want the most recent training data — it shipped Aug 2024
Choose Llama 3.1 70B Instruct
- cost matters — it's about 21.9x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
38 reported for GPT-4o · 18 for Llama 3.1 70B Instruct
GPT-4o outperforms in 3 benchmarks (GPQA, MMLU, MMLU-Pro), while Llama 3.1 70B Instruct is better at 1 benchmark (IFEval).
GPT-4o shows notably better performance in the majority of benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-4o ($2.50/1M tokens) is 12.5x more expensive than Llama 3.1 70B Instruct ($0.20/1M tokens).
For output processing, GPT-4o ($10.00/1M tokens) is 50.0x more expensive than Llama 3.1 70B Instruct ($0.20/1M tokens).
In conclusion, GPT-4o 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
Both models have the same input context window of 128,000 tokens. Llama 3.1 70B Instruct can generate longer responses up to 128,000 tokens, while GPT-4o is limited to 16,384 tokens.
Input capabilities
Documented input modalities across available providers
GPT-4o supports multimodal inputs, whereas Llama 3.1 70B Instruct does not.
GPT-4o can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-4o
Llama 3.1 70B Instruct
License
Usage and distribution terms
GPT-4o is licensed under a proprietary license, while Llama 3.1 70B Instruct 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-4o was released on 2024-08-06, while Llama 3.1 70B Instruct was released on 2024-07-23.
GPT-4o is 0 month newer than Llama 3.1 70B Instruct.
Aug 6, 2024
2.1 years ago
2w newerJul 23, 2024
2.1 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GPT-4o is available from Azure, OpenAI. Llama 3.1 70B Instruct is available from Lambda, DeepInfra, Hyperbolic, Groq, Cerebras, Together, Fireworks, Bedrock, Sambanova.
GPT-4o
Llama 3.1 70B Instruct
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-4o and Llama 3.1 70B Instruct side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-4o vs Llama 3.1 70B Instruct.