Seminal AI
§1

Llama 3.1 405B Instruct

Now mainly a teacher model: its licence explicitly permits using outputs to train other models, which is the remaining reason to run something this expensive when Llama 3.3 70B matches it on most chat benchmarks.

Data checked 2026-09-06

Meta ga open weights meta-llama/Llama-3.1-405B-Instruct

Context window
128K tokens in
Max output
—
Input
— per 1M tokens
Output
— per 1M tokens
Knowledge cutoff
2023-12
Released
2024-07-23
Parameters
405B
Licence
Llama 3.1 Community License Agreement

A What it is for

Meta charges nothing and hosts nothing — both prices -1.

B Capabilities

chat multilingual tool-calling synthetic-data-generation distillation fine-tuning
Input modalitiestext
Output modalitiestext

C Others from Meta

Model Context Max out In $/M Out $/M Blended Status
Muse Spark 1.3 muse-spark-1.3 1M — $1.25 $4.25 $2.00 ga
Muse Spark 1.3 (Contributor tier) muse-spark-1.3-contributor 1M — $0.10 $0.20 $0.13 ga
Muse Spark 1.2 muse-spark-1.2 1M — $1.25 $4.25 $2.00 ga
Muse Spark 1.2 (Contributor tier) muse-spark-1.2-contributor 1M — $0.10 $0.20 $0.13 ga
Muse Spark 1.1 muse-spark-1.1 1M — $1.25 $4.25 $2.00 ga
Muse Image 1.0 muse-image-1.0 — — — — — ga
Muse Voice Transcribe 1.0 muse-voice-transcribe-1.0 — — — — — ga
Muse Glimmer 30B meta-models/Muse-Glimmer-30B 131.1K — — — — ga open
Llama 4 Scout meta-llama/Llama-4-Scout-17B-16E-Instruct 10M — — — — ga open
Llama 4 Maverick meta-llama/Llama-4-Maverick-17B-128E-Instruct 1M — — — — ga open
Llama 3.3 70B Instruct meta-llama/Llama-3.3-70B-Instruct 128K — — — — ga open
Llama 3.2 90B Vision Instruct meta-llama/Llama-3.2-90B-Vision-Instruct 128K — — — — ga open

D Verify before you commit

Model pricing changes without notice and this page is a snapshot. Confirm against the vendor's own page before you build a budget on it.

Source: github.com · checked 2026-09-06 · Meta pricing · API docs