OpenAI: GPT-3.5 Turbo vs Meta: Llama 3 70B Instruct: Which AI Model Is Better?
Updated March 2026· Based on independent benchmark data
Quick Verdict
Both OpenAI: GPT-3.5 Turbo and Meta: Llama 3 70B Instruct are competitive AI models. See the detailed comparison below to find which best fits your needs.
Head-to-Head Comparison
| Metric | OpenAI: GPT-3.5 Turbo | Meta: Llama 3 70B Instruct |
|---|---|---|
| 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 | $0.50 | $0.51 |
| Output Price / 1M tokens | $1.50 | $0.74 |
| Context Window | 16K | 8K |
| Max Output Tokens | 4K | 8K |
| Input Modalities | Text | Text |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Detailed Analysis
Pricing
OpenAI: GPT-3.5 Turbo is more affordable at $0.50/1M input tokens ($1.50/1M output), while Meta: Llama 3 70B Instruct costs $0.51/1M input ($0.74/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, OpenAI: GPT-3.5 Turbo would cost approximately $3.00/month vs $3.06/month for Meta: Llama 3 70B Instruct in input costs alone.
Context Window
OpenAI: GPT-3.5 Turbo offers a larger context window at 16K tokens compared to Meta: Llama 3 70B Instruct's 8K. This means OpenAI: GPT-3.5 Turbo can process roughly 8 pages of text in a single request vs 4 pages for Meta: Llama 3 70B Instruct. For output length, Meta: Llama 3 70B Instruct can generate up to 8K tokens per response vs 4K for OpenAI: GPT-3.5 Turbo.
Best Use Cases
Choose OpenAI: GPT-3.5 Turbo when you need larger context window (16K).
Choose OpenAI: GPT-3.5 Turbo if:
- ✓You need a larger context window (16K vs 8K)
Frequently Asked Questions
Which is cheaper, OpenAI: GPT-3.5 Turbo or Meta: Llama 3 70B Instruct?
OpenAI: GPT-3.5 Turbo is cheaper at $0.50/1M input tokens vs $0.51/1M for Meta: Llama 3 70B Instruct.
Can OpenAI: GPT-3.5 Turbo process images?
No, OpenAI: GPT-3.5 Turbo does not support image input. Neither model supports image input.
Which has a larger context window, OpenAI: GPT-3.5 Turbo or Meta: Llama 3 70B Instruct?
OpenAI: GPT-3.5 Turbo has a larger context window at 16K compared to Meta: Llama 3 70B Instruct's 8K.
Related Comparisons
Benchmark data by Artificial Analysis
Data last synced: March 2026