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Llama 3.1 405B vs Muse Spark 1.2

Pricing verdict: Llama 3.1 405B vs Muse Spark 1.2: Muse Spark 1.2 is cheaper for input-heavy usage ($1.25/M vs $3.50/M input tokens), while Muse Spark 1.2 is better for long-context tasks (1,000,000 tokens).

Direct answer: choose Muse Spark 1.2 for lower token spend and choose Muse Spark 1.2 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 right model fast.

Meta (via Together AI)
Llama 3.1 405B
vs
Meta (via Together AI)
Muse Spark 1.2

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

Llama 3.1 405B

Per Request:$0.005250
Daily:$0.525
Monthly:$15.75
Yearly:$191.625

Muse Spark 1.2

Per Request:$0.003375
Daily:$0.3375
Monthly:$10.125
Yearly:$123.1875

Cost Differences

$0.001875
Per Request
$0.1875
Daily
$5.625
Monthly
$68.4375
Yearly

Muse Spark 1.2 costs less than Llama 3.1 405B

Quick Recommendation

Winner for direct API pricing: Muse Spark 1.2. At the default workload, Muse Spark 1.2 saves about $5.625/month ($68.4375/year) versus Llama 3.1 405B.

Feature Comparison

FeatureLlama 3.1 405BMuse Spark 1.2
ProviderMeta (via Together AI)Meta (via Together AI)
Input Price$3.50/1M tokens$1.25/1M tokens
Output Price$3.50/1M tokens$4.25/1M tokens
Context Window128,000 tokens1,000,000 tokens
Max Output32,768 tokens131,072 tokens
Categoryflagshipcoding
Capabilities
textcodereasoning
textvisionaudiovideocodereasoning
Release Date7/23/20248/5/2026

Llama 3.1 405B vs Muse Spark 1.2: Which Should You Choose?

Choosing between Llama 3.1 405B and Muse Spark 1.2 depends on your priorities: cost efficiency, context length, or raw capability. Muse Spark 1.2 is the more affordable option at $1.25/1M input tokens — 64% cheaper than Llama 3.1 405B. Meanwhile, Muse Spark 1.2 offers a significantly larger context window at 1,000,000 tokens vs 128,000 for Llama 3.1 405B.

These models target different tiers: Llama 3.1 405B is a flagship model while Muse Spark 1.2 is coding. This means they're optimized for different workloads. Llama 3.1 405B is built for complex tasks that require deeper reasoning, while Muse Spark 1.2 offers better value for routine operations.

Output costs matter too. Llama 3.1 405B charges $3.50/1M output tokens vs $4.25 for Muse Spark 1.2. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Llama 3.1 405B has the edge here at $3.50/1M output tokens.

Multimodal capabilities: Muse Spark 1.2 supports vision (image inputs) while Llama 3.1 405B is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose Llama 3.1 405B when:

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

Choose Muse Spark 1.2 when:

  • • Budget is a primary concern
  • • You need a larger context window (1,000,000 tokens)
  • • You need more capabilities (vision, audio, video)
  • • You need longer outputs (up to 131,072 tokens)
  • • You're already using Meta (via Together AI)'s API ecosystem

Pros and Caveats at a Glance

Llama 3.1 405B

  • Input pricing: $3.50/M tokens
  • Output pricing: $3.50/M tokens
  • Context window: 128,000 tokens
  • Max output: 32,768 tokens

Watch out for

  • Higher input cost than Muse Spark 1.2
  • Smaller context window than Muse Spark 1.2

Muse Spark 1.2

  • Input pricing: $1.25/M tokens
  • Output pricing: $4.25/M tokens
  • Context window: 1,000,000 tokens
  • Max output: 131,072 tokens

Watch out for

  • Higher output cost than Llama 3.1 405B

Try Different Scenarios

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

Llama 3.1 405B (Meta (via Together AI))

Muse Spark 1.2 (Meta (via Together AI))

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Frequently Asked Questions

Which is cheaper, Llama 3.1 405B or Muse Spark 1.2?
Muse Spark 1.2 is cheaper for input tokens at $1.25 per million tokens vs $3.50 for Llama 3.1 405B — that's 64% savings on input costs.
What is the context window difference between Llama 3.1 405B and Muse Spark 1.2?
Llama 3.1 405B supports 128,000 tokens while Muse Spark 1.2 supports 1,000,000 tokens — a difference of 872,000 tokens in favor of Muse Spark 1.2.
Which model is better for AI Agent / Agentic Workflows?
Both models support text, code, reasoning. For ai agent / agentic workflows, Muse Spark 1.2 is the lower-cost option, while Muse Spark 1.2 offers a larger context window (1,000,000 vs 128,000 tokens). Choose Muse Spark 1.2 for budget sensitivity or Muse Spark 1.2 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 405B costs about $15.75/month and Muse Spark 1.2 costs about $10.125/month. Overall, Muse Spark 1.2 has lower combined input + output rates ($1.25 in, $4.25 out) vs Llama 3.1 405B.

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