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LLM
Meta
Together
Fireworks
Llama Family
Open Source
Released: Jul 2024 Updated: Oct 2025

Llama 3.1 405B

Meta's largest open-source language model with 405 billion parameters.
Vision
Audio
Tool Use
Reasoning
Citations

Key Specs

Context
131k
Max Output
4k
Best Price (Input / Output)
$3.50 / $3.50 per 1M tokens
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Pricing Comparison

Provider Input (1M) Output (1M) Image (1k)
Together $3.50 $3.50 -

Prices are per 1 million tokens unless otherwise noted. Image pricing is per 1000 images if applicable.

Supported Parameters

405B

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