Llama 3.1 405B Instruct
CortecsOpen weights
Llama 3.1 405B Instruct by Cortecs costs $0.00 per 1M input tokens and $0.00 per 1M output tokens, with a 128K-token context window.
Pricing
Input (per 1M tokens)
$0.00
Output (per 1M tokens)
$0.00
Cached input (per 1M)
—
Specifications
- Provider
- Cortecs
- Context window
- 128K tokens
- Parameters
- —
- Released
- Jul 2024
- Open weights
- Yes
- Frontier model
- No
Benchmarks
- GPQA Diamond
- 50.9
Compare Llama 3.1 405B Instruct with…
Llama 3.1 405B Instruct vs GPT-5.4$15.45/1MLlama 3.1 405B Instruct vs Claude Haiku 4.5 (latest)$4.98/1MLlama 3.1 405B Instruct vs GPT OSS Safeguard 120B$0.70/1MLlama 3.1 405B Instruct vs Gemma 4 31B IT$0.39/1MLlama 3.1 405B Instruct vs Qwen3.8 27B$0.40/1MLlama 3.1 405B Instruct vs Gemma 3 27B IT$0.30/1M
FAQ
How much does Llama 3.1 405B Instruct cost?
Llama 3.1 405B Instruct is priced at $0.00 per 1M input tokens and $0.00 per 1M output tokens. Output tokens cost more than input.
What is Llama 3.1 405B Instruct's context window?
Llama 3.1 405B Instruct supports a context window of 128K tokens — the maximum prompt plus response length it can handle in a single request.
Is Llama 3.1 405B Instruct open weight?
Yes — Llama 3.1 405B Instruct has openly available weights.
Data as of 2026-06-28. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.