OpenAI GPT-4o narrowly beats the Meta Llama 3.1 405B in the ai language models category, particularly in display, scoring 6.7/10 vs 6.2/10. If you want the better overall performer, OpenAI GPT-4o is the clear pick.
Scores are relative within the ai language modelscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
Lower cost = better value. Free = open-source self-hosted.
| Metric | OpenAI GPT-4o | 3.1 405B |
|---|---|---|
| Input (Prompt) | $2.50/1M | ✓Free/1M |
| Output (Completion) | $10.00/1M | ✓Free/1M |
| Open Source | Proprietary | ✓ Free |
Context Window (tokens)
| Metric | OpenAI GPT-4o | 3.1 405B |
|---|---|---|
| Max Output | ✓16,384 tok | 4,096 tok |
| Speed | ✓120 tok/s | 30 tok/s |
| Time to First Token | ✓500ms | 1.5s |
| Languages | ✓50+ | 8+ |
Higher is better. Industry-standard AI evaluation benchmarks.
OpenAI GPT-4o
3.1 405B
OpenAI GPT-4o
3.1 405B
OpenAI GPT-4o
3.1 405B
OpenAI GPT-4o
3.1 405B
OpenAI GPT-4o
3.1 405B
| Feature | OpenAI GPT-4o | 3.1 405B |
|---|---|---|
| Reasoning / Chain-of-Thought | ✕ | ✕ |
| Vision (Image Input) | ✓ | ✕ |
| Audio Input | ✓ | ✕ |
| Video Input | ✕ | ✕ |
| Image/Audio Output | ✓ | ✕ |
| Function Calling / Tools | ✓ | ✓ |
| JSON Mode | ✓ | ✓ |
| Real-time Web Access | ✕ | ✕ |
| Fine-tuning Support | ✓ | ✓ |
| Batch API | ✓ | ✓ |
| Streaming | ✓ | ✓ |
| Open Source | ✕ | ✓ |
| Field | OpenAI GPT-4o | 3.1 405B |
|---|---|---|
| Provider | OpenAI | Meta |
| Parameters | — | 405B |
| Knowledge Cutoff | 2024-04 | 2023-12 |
| License | Commercial | Llama 3.1 Community |
| Best For | generalcodingvisionmultimodal | open sourceself hostingfine tuningenterprise privacy |
Buy OpenAI GPT-4o if…
Buy the OpenAI GPT-4o if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Meta Llama 3.1 405B if…
Choose the Meta Llama 3.1 405B if budget is your top priority — it offers competitive specs at a lower price point.
OpenAI GPT-4o narrowly beats the Meta Llama 3.1 405B in the ai language models category, particularly in display, scoring 6.7/10 vs 6.2/10. If you want the better overall performer, OpenAI GPT-4o is the clear pick.
Yes, OpenAI GPT-4o scores higher overall (9.2 vs 8.7).
Check the latest prices using the buy links above.
Buy the OpenAI GPT-4o if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
Choose the Meta Llama 3.1 405B if budget is your top priority — it offers competitive specs at a lower price point.