Llama 4 405B Pricing
Meta · Meta's largest open-weight model with 405 billion parameters. Near-frontier perf
Save up to 70% on Llama 4 405B API cost
Same model, same quality — pay less per token than the official API. Pay-as-you-go, no credit card required.
Llama 4 405B Pricing Context
Pricing position within Meta
Llama 4 405B is the only active model from Meta, priced at $1.30/1M input and $5.00/1M output. There's no sibling to compare within the lineup.
When Llama 4 405B is worth the cost
Llama 4 405B is deployed for problems that need structured thinking — math derivations, logic puzzles, scientific analysis, and multi-step research synthesis. The reasoning chain adds latency, so reserve it for tasks where a standard chat model produces shallow or incorrect answers. For routine Q&A and summarization, a cheaper sibling model is more cost-effective.
Cost vs sibling models
Llama 4 405B has no active siblings in Meta's lineup — it's the sole active model from this provider.
Real-world cost scenarios
Real-world deployments: math problem solving, scientific research synthesis, multi-step logical analysis, and structured decision support systems. Llama 4 405B excels where standard chat models produce shallow answers — the reasoning chain catches edge cases that faster models miss.