Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
BETA
Together AI
Together AI
Efficient

Llama 3.1 8B (Together)

Compact

Small, fast Llama 3.1. The default cheap open-weights model in 2024–25 across Groq, Cerebras and Together.

Llama 3.1 8B (Together) is a efficient AI model from Together AI. It costs $0.100 per million input tokens and $0.100 per million output tokens (blended $0.100/M), with a 128K-token context window.

Profile inherited from upstream Llama 3.1 8B — this is a hosted variant of the same open-weights model.

INPUT
$0.100/M
per million input tokens
OUTPUT
$0.100/M
per million output tokens
CONTEXT
128K
128,000 tokens
What it's good at
  • Cheap
  • Fast on LPU/Cerebras
  • Open weights
  • 128K context
Typical use cases
  • Bulk classification
  • Cheap chat
  • Edge inference
Benchmarks
vs. best public score
Scores inherited from Llama 3.1 8B — this is a hosted variant of the same open-weights model, so the underlying benchmark scores are identical.
MMLU73%
Multitask academic knowledge across 57 subjects.
GPQA Diamond31%
Graduate-level science questions, "Google-proof".
MATH51%
High-school competition math problems.
HumanEval73%
Python function synthesis from docstrings.
LMArena Elo1180 Elo
Crowd-sourced head-to-head preference Elo rating.
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources — treat as directional rather than authoritative.
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Frequently asked questions

How much does Llama 3.1 8B (Together) cost?

Llama 3.1 8B (Together) costs $0.100 per million input tokens and $0.100 per million output tokens, for a blended reference rate of $0.100 per million tokens.

What is Llama 3.1 8B (Together)'s context window?

Llama 3.1 8B (Together) supports up to 128K tokens of context (128,000 tokens).

What is Llama 3.1 8B (Together) best for?

Llama 3.1 8B (Together) is well suited to Cheap, Fast on LPU/Cerebras and Open weights.

Who makes Llama 3.1 8B (Together)?

Llama 3.1 8B (Together) is developed and served by Together AI. It was released in Jul 2024.