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Llama 3.1 70B vs Llama 3.1 8B

Pricing verdict: Llama 3.1 70B vs Llama 3.1 8B: Llama 3.1 8B is cheaper for input-heavy usage ($0.18/M vs $0.88/M input tokens), while Llama 3.1 70B is better for long-context tasks (128,000 tokens).

Direct answer: choose Llama 3.1 8B for lower token spend and choose Llama 3.1 70B when your workload needs longer context.

Compare API pricing, input and output token costs, context windows, and monthly estimates on one page so you can pick the cheaper model fast.

Meta (via Together AI)
Llama 3.1 70B
vs
Meta (via Together AI)
Llama 3.1 8B

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Llama 3.1 70B

Per Request:$0.001320
Daily:$0.132
Monthly:$3.96
Yearly:$48.18

Llama 3.1 8B

Per Request:$0.000270
Daily:$0.027
Monthly:$0.81
Yearly:$9.855

Cost Differences

$0.001050
Per Request
$0.105
Daily
$3.15
Monthly
$38.325
Yearly

Llama 3.1 8B costs less than Llama 3.1 70B

Quick Recommendation

Winner for direct API pricing: Llama 3.1 8B. At the default workload, Llama 3.1 8B saves about $3.15/month ($38.325/year) versus Llama 3.1 70B.

Feature Comparison

FeatureLlama 3.1 70BLlama 3.1 8B
ProviderMeta (via Together AI)Meta (via Together AI)
Input Price$0.88/1M tokens$0.18/1M tokens
Output Price$0.88/1M tokens$0.18/1M tokens
Context Window128,000 tokens128,000 tokens
Max Output32,768 tokens32,768 tokens
Categorybalancedefficient
Capabilities
textcode
textcode
Release Date7/23/20247/23/2024

Llama 3.1 70B vs Llama 3.1 8B: Which Should You Choose?

Choosing between Llama 3.1 70B and Llama 3.1 8B depends on your priorities: cost efficiency, context length, or raw capability. Llama 3.1 8B is the more affordable option at $0.18/1M input tokens80% cheaper than Llama 3.1 70B.

These models target different tiers: Llama 3.1 70B is a balanced model while Llama 3.1 8B is efficient. This means they're optimized for different workloads. Llama 3.1 8B targets more demanding workloads, while Llama 3.1 70B provides a cost-effective option for everyday tasks.

Output costs matter too. Llama 3.1 70B charges $0.88/1M output tokens vs $0.18 for Llama 3.1 8B. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Llama 3.1 8B has the edge here at $0.18/1M output tokens.

Best Use Cases

Choose Llama 3.1 70B when:

  • • You're already using Meta (via Together AI)'s API ecosystem

Choose Llama 3.1 8B when:

  • • Budget is a primary concern
  • • You're already using Meta (via Together AI)'s API ecosystem
  • • You're running high-volume, latency-sensitive workloads

Pros and Caveats at a Glance

Llama 3.1 70B

  • Input pricing: $0.88/M tokens
  • Output pricing: $0.88/M tokens
  • Context window: 128,000 tokens
  • Max output: 32,768 tokens

Watch out for

  • Higher input cost than Llama 3.1 8B
  • Higher output cost than Llama 3.1 8B

Llama 3.1 8B

  • Input pricing: $0.18/M tokens
  • Output pricing: $0.18/M tokens
  • Context window: 128,000 tokens
  • Max output: 32,768 tokens

Watch out for

  • Trade-offs are minor in this matchup.

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

Llama 3.1 70B (Meta (via Together AI))

Llama 3.1 8B (Meta (via Together AI))

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Frequently Asked Questions

Which is cheaper, Llama 3.1 70B or Llama 3.1 8B?
Llama 3.1 8B is cheaper for input tokens at $0.18 per million tokens vs $0.88 for Llama 3.1 70B — that's 80% savings on input costs.
What is the context window difference between Llama 3.1 70B and Llama 3.1 8B?
Llama 3.1 70B supports 128,000 tokens while Llama 3.1 8B supports 128,000 tokens — a difference of 0 tokens in favor of Llama 3.1 70B.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, Llama 3.1 8B is the lower-cost option, while Llama 3.1 70B offers a larger context window (128,000 vs 128,000 tokens). Choose Llama 3.1 8B for budget sensitivity or Llama 3.1 70B for longer context tasks.
Which model has better overall pricing for heavy usage?
At 100 requests/day with 1,000 input and 500 output tokens each, Llama 3.1 70B costs about $3.96/month and Llama 3.1 8B costs about $0.81/month. Overall, Llama 3.1 8B has lower combined input + output rates ($0.18 in, $0.18 out) vs Llama 3.1 70B.

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