Meta
Llama 3.1 405B
Meta's largest open-weights model, competitive with frontier closed models.
- Context
- 128K
- Max output
- 4.1K
- Input / 1M tokens
- $3.50
- Output / 1M tokens
- $3.50
- Output speed
- 30 t/s
Accepts
- Text input
Produces
- Text output
AI model comparison
Compare pricing, context limits, supported inputs and deployment options to choose a model for your workflow.
Llama 3.1 405B from Meta lists 128K context, 4.1K maximum output, $3.50 input per 1M tokens, $3.50 output per 1M tokens. Muse Spark 1.1 from Meta lists 1.05M context, 131.07K maximum output, from $1.25 input per 1M tokens, from $4.25 output per 1M tokens. Compare the inputs, outputs and deployment options below to see which fits your workflow.
Meta
Meta's largest open-weights model, competitive with frontier closed models.
Accepts
Produces
Meta
Muse Spark 1.1 is Meta’s multimodal reasoning model for tool-assisted coding and agent workflows, with Standard API pricing and a 1M-token context.
Pricing conditions: Standard mode costs $1.25/M input, $0.15/M cached input and $4.25/M output, without a long-context premium. Version 1.1 has no Contributor variant and is not available in Muse Code. Search grounding costs $2.50 per 1,000 queries.
Accepts
Produces
At a glance
Compare the available figures below, then try both models on the work you need to do.
Muse Spark 1.1
Context capacity
Higher listed limit
Llama 3.1 405B:128K
Muse Spark 1.1:1.05M
Muse Spark 1.1
Maximum output
Higher listed limit
Llama 3.1 405B:4.1K
Muse Spark 1.1:131.07K
Muse Spark 1.1
Specifications
| Specification | Llama 3.1 405B | Muse Spark 1.1 |
|---|---|---|
| Provider | Meta | Meta |
| Listed pricing route | Meta | Meta Model API |
| Model family | Llama 3.1 | muse |
| Accepted inputs | text | text, image, video, audio, pdf |
| Produced outputs | text | text |
| Context window | 128K | 1.05MHigher |
| Max output | 4.1K | 131.07KHigher |
| Input price / 1M | $3.50 | From $1.25 |
| Output price / 1M | $3.50 | From $4.25 |
| Output speed | 30 t/s | — |
| Time to first token | 0.70s | — |
| Reasoning mode | Not documented | Documented |
| Tool calling | Documented | Documented |
| Image input | Not documented | Documented |
| Audio input | Not documented | Documented |
| Structured output | Documented | Documented |
| License | Llama 3.1 Community | Proprietary |
Workload guidance
Consider Muse Spark 1.1 if you need larger context or larger maximum output. Llama 3.1 405B offers downloadable weights; Muse Spark 1.1 is listed as a proprietary model. Compare licence terms and operating costs before choosing a deployment. Test both on the same representative examples and judge the output against your acceptance criteria. Include tool failures, retries and the time to a completed task.
Explore each model’s features, API requirements and licence terms in the sources below.
Llama 3.1 405B
Meta
Profile updated Oct 7, 2026
Muse Spark 1.1
Meta
Profile updated Oct 13, 2026
Pricing record dated Oct 13, 2026 · Meta Model API
Source registry ↗Publisher documentation ↗Search by model or provider to explore another comparison.