Meta: Llama 3 70B Instruct vs OpenAI: GPT-4o: Which AI Model Is Better?
Updated March 2026· Based on independent benchmark data
Quick Verdict
Meta: Llama 3 70B Instruct is 4.9x cheaper at $0.51/1M tokens vs $2.50/1M.
Head-to-Head Comparison
| Metric | Meta: Llama 3 70B Instruct | OpenAI: GPT-4o |
|---|---|---|
| Intelligence Score | N/A | N/A |
| Coding Score | N/A | N/A |
| Math Score | N/A | N/A |
| Speed (tok/s) | N/A | N/A |
| Latency (TTFT) | N/A | N/A |
| Input Price / 1M tokens | $0.51 | $2.50 |
| Output Price / 1M tokens | $0.74 | $10 |
| Context Window | 8K | 128K |
| Max Output Tokens | 8K | 16K |
| Input Modalities | Text | Text + Image + File |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Detailed Analysis
Pricing
Meta: Llama 3 70B Instruct is more affordable at $0.51/1M input tokens ($0.74/1M output), while OpenAI: GPT-4o costs $2.50/1M input ($10/1M output). That makes OpenAI: GPT-4o 4.9x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, Meta: Llama 3 70B Instruct would cost approximately $3.06/month vs $15.00/month for OpenAI: GPT-4o in input costs alone.
Context Window
OpenAI: GPT-4o offers a larger context window at 128K tokens compared to Meta: Llama 3 70B Instruct's 8K. This means OpenAI: GPT-4o can process roughly 64 pages of text in a single request vs 4 pages for Meta: Llama 3 70B Instruct. For output length, OpenAI: GPT-4o can generate up to 16K tokens per response vs 8K for Meta: Llama 3 70B Instruct.
Best Use Cases
Choose Meta: Llama 3 70B Instruct when you need lower cost. Choose OpenAI: GPT-4o when you need larger context window (128K).
Choose Meta: Llama 3 70B Instruct if:
- ✓Budget is a concern ($0.51/1M vs $2.50/1M)
Choose OpenAI: GPT-4o if:
- ✓You need a larger context window (128K vs 8K)
- ✓You need image understanding (Supports image input)
Frequently Asked Questions
Which is cheaper, Meta: Llama 3 70B Instruct or OpenAI: GPT-4o?
Meta: Llama 3 70B Instruct is cheaper at $0.51/1M input tokens vs $2.50/1M for OpenAI: GPT-4o.
Can Meta: Llama 3 70B Instruct process images?
No, Meta: Llama 3 70B Instruct does not support image input. However, OpenAI: GPT-4o does support images.
Which has a larger context window, Meta: Llama 3 70B Instruct or OpenAI: GPT-4o?
OpenAI: GPT-4o has a larger context window at 128K compared to Meta: Llama 3 70B Instruct's 8K.
Related Comparisons
Benchmark data by Artificial Analysis
Data last synced: March 2026