LLM Reference

Llama 3 70B Instruct vs Mixtral 8x7B

Llama 3 70B Instruct (2024) and Mixtral 8x7B (2023) are compact production models from AI at Meta and MistralAI. Llama 3 70B Instruct ships a 8k-token context window, while Mixtral 8x7B ships a 32k-token context window. On HumanEval, Mixtral 8x7B leads by 7.9 pts. On pricing, Mixtral 8x7B costs $0.15/1M input tokens versus $0.40/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Mixtral 8x7B is ~167% cheaper at $0.15/1M; pay for Llama 3 70B Instruct only for provider fit.

Decision scorecard

Local evidence first
SignalLlama 3 70B InstructMixtral 8x7B
Best forprovider-routed productionprovider-routed production
Decision fitCoding, Classification, and JSON / Tool useCoding and Classification
Context window8k32k
Cheapest output$0.40/1M tokens$0.45/1M tokens
Provider routes18 tracked18 tracked
Shared benchmarks2 sharedHumanEval leader

Decision tradeoffs

Choose Llama 3 70B Instruct when...
  • Llama 3 70B Instruct holds a shared-benchmark lead on Massive Multitask Language Understanding, ahead by 1.8 points.
  • Llama 3 70B Instruct has the lower cheapest tracked output price at $0.40/1M tokens.
  • Llama 3 70B Instruct uniquely exposes Structured outputs in local model data.
  • Local decision data tags Llama 3 70B Instruct for Coding, Classification, and JSON / Tool use.
Choose Mixtral 8x7B when...
  • Mixtral 8x7B holds a shared-benchmark lead on HumanEval, ahead by 7.9 points.
  • Mixtral 8x7B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Local decision data tags Mixtral 8x7B for Coding and Classification.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Lower estimate Mixtral 8x7B

Llama 3 70B Instruct

$420

Cheapest tracked route/tier: Hyperbolic AI Inference

Mixtral 8x7B

$233

Cheapest tracked route/tier: Mistral AI Studio

Estimated monthly gap: $188. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Llama 3 70B Instruct -> Mixtral 8x7B
  • Provider overlap exists on Databricks Foundation Model Serving, NVIDIA NIM, and GCP Vertex AI; start route-level A/B tests there.
  • Mixtral 8x7B is $0.05/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Check replacement coverage for Structured outputs before moving production traffic.
Mixtral 8x7B -> Llama 3 70B Instruct
  • Provider overlap exists on GCP Vertex AI, AWS Bedrock, and Microsoft Foundry; start route-level A/B tests there.
  • Llama 3 70B Instruct is $0.05/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Llama 3 70B Instruct adds Structured outputs in local capability data.

Specs

Specification
Released2024-04-182023-12-11
Context window8k32k
Parameters70B8x7B
ArchitectureDecoder OnlyMixture of Experts
LicenseLlama 3 CommunityApache 2.0OSI-approved
OpennessOpen weightsOpen source
WeightsAvailableUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff2023-122023-12

Pricing and availability

Pricing attributeLlama 3 70B InstructMixtral 8x7B
Input price$0.40/1M tokens$0.15/1M tokens
Output price$0.40/1M tokens$0.45/1M tokens
Providers

Capabilities

CapabilityLlama 3 70B InstructMixtral 8x7B
VisionNoNo
MultimodalNoNo
ReasoningNoNo
JSON / Tool useNoNo
Structured outputsYesNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkLlama 3 70B InstructMixtral 8x7B
HumanEval72.680.5
Massive Multitask Language Understanding82.080.2

Continue comparing

Last reviewed: 2026-07-11. Data sourced from public model cards and provider documentation.