Llama 3.1 405B vs Mistral NeMo Instruct (2407)
Llama 3.1 405B (2024) and Mistral NeMo Instruct (2407) (2024) are compact production models from AI at Meta and MistralAI. Llama 3.1 405B ships a 128k-token context window, while Mistral NeMo Instruct (2407) ships a 128k-token context window. On Google-Proof Q&A, Mistral NeMo Instruct (2407) leads by 5.6 pts. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Llama 3.1 405B is safer overall; choose Mistral NeMo Instruct (2407) when provider fit matters.
Decision scorecard
Local evidence first| Signal | Llama 3.1 405B | Mistral NeMo Instruct (2407) |
|---|---|---|
| Best for | general production evaluation | provider-routed production |
| Decision fit | Coding, Long context, and Classification | Coding, Long context, and Classification |
| Context window | 128k | 128k |
| Cheapest output | - | $0.04/1M tokens |
| Provider routes | 0 tracked | 7 tracked |
| Shared benchmarks | 4 shared | Google-Proof Q&A leader |
Decision tradeoffs
- Llama 3.1 405B holds a shared-benchmark lead on HumanEval, ahead by 7.9 points.
- Local decision data tags Llama 3.1 405B for Coding, Long context, and Classification.
- Mistral NeMo Instruct (2407) holds a shared-benchmark lead on Google-Proof Q&A, ahead by 5.6 points.
- Mistral NeMo Instruct (2407) has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags Mistral NeMo Instruct (2407) for Coding, Long context, and Classification.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Llama 3.1 405B
Unavailable
No complete token price in local provider data
Mistral NeMo Instruct (2407)
$26.00
Cheapest tracked route/tier: DeepInfra
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Llama 3.1 405B and Mistral NeMo Instruct (2407); plan for SDK, billing, or endpoint changes.
- No overlapping tracked provider route is sourced for Mistral NeMo Instruct (2407) and Llama 3.1 405B; plan for SDK, billing, or endpoint changes.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-07-23 | 2024-07-18 |
| Context window | 128k | 128k |
| Parameters | 405B | 12B |
| Architecture | Decoder Only | Decoder Only |
| License | Llama 3 Community | Apache 2.0OSI-approved |
| Openness | Open weights | Open source |
| Weights | Available | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | 2023-12 | 2024-04 |
Pricing and availability
| Pricing attribute | Llama 3.1 405B | Mistral NeMo Instruct (2407) |
|---|---|---|
| Input price | - | $0.02/1M tokens |
| Output price | - | $0.04/1M tokens |
| Providers | - |
Capabilities
| Capability | Llama 3.1 405B | Mistral NeMo Instruct (2407) |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| JSON / Tool use | No | No |
| Structured outputs | No | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Llama 3.1 405B | Mistral NeMo Instruct (2407) |
|---|---|---|
| Google-Proof Q&A | 51.5 | 57.1 |
| HumanEval | 89.0 | 81.1 |
| Massive Multitask Language Understanding | 88.6 | 81.5 |
| HellaSwag | 95.8 | 91.8 |
Continue comparing
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Last reviewed: 2026-09-18. Data sourced from public model cards and provider documentation.