GPT-4o vs Llama 3.1 405B Instruct
API pricing, context window and capabilities for GPT-4o and Llama 3.1 405B Instruct, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGPT-4o wins on intelligence. Llama 3.1 405B Instruct wins on price. Benchmark data is unavailable for one or both models.
Price
Llama 3.1 405B Instruct
Terminal-Bench
Not called
Intelligence
GPT-4o
Context window
Tied
Key takeaways
who wins on what, from the published numbersGPT-4o wins
- Supports vision
- Supports audio
- Supports prompt caching
Llama 3.1 405B Instruct wins
- Cheaper input ($2.50 vs $0.12 /1M)
- Cheaper output ($10.00 vs $0.30 /1M)
- Higher max output (16K vs 128K)
- More serving providers (6 vs 9)
Cheaper overall
Llama 3.1 405B Instruct
$0.12 + $0.30 /1M
Larger context
Tied
More providers
Llama 3.1 405B Instruct
9 providers
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
| GPT-4o | Llama 3.1 405B Instruct | |
|---|---|---|
| Input $/1M | $2.50via OpenAI | $0.12via Hyperbolic best |
| Output $/1M | $10.00via OpenAI | $0.30via Hyperbolic best |
| Context window | 131K | 131K |
| Max output | 16K | 128K best |
| Serving providers | 6 | 9 best |
| Date | Released May 13, 2024 | First listed Jul 2024 |
Benchmarks
Benchmark scores, side by side| GPT-4o | Llama 3.1 405B Instruct | |
|---|---|---|
| Intelligence | 8.4 best | 7.3 |
| GPQA Diamond | 54% best | 52% |
| Output speed | 150 t/s | Not available |
| Latency (TTFT) | 0.79s | Not available |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
GPT-4o
via Gmi
$23
Llama 3.1 405B Instruct
via Hyperbolic
$0.90
Capabilities
feature support, side by side| Feature | GPT-4o | Llama 3.1 405B Instruct |
|---|---|---|
| Vision | ✓ | — |
| Tool use | ✓ | ✓ |
| Reasoning | — | — |
| Audio | ✓ | — |
| Prompt caching | ✓ | — |
| Structured output | ✓ | ✓ |
| Web search | — | — |
Related comparisons
Frequently asked questions
Which is cheaper, GPT-4o or Llama 3.1 405B Instruct?
Llama 3.1 405B Instruct is cheaper for input ($2.50 vs $0.12 per 1M tokens) from Hyperbolic. Llama 3.1 405B Instruct is cheaper for output ($10.00 vs $0.30 per 1M tokens) from Hyperbolic.
What is the context window difference between GPT-4o and Llama 3.1 405B Instruct?
Both GPT-4o and Llama 3.1 405B Instruct have about a 131K-token context window.
How do GPT-4o and Llama 3.1 405B Instruct compare on benchmarks?
On the tracked benchmarks, GPT-4o leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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