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Head-to-head comparison

Llama 3.1 Tulu 3 8B vs Mixtral 8x22B Instruct

Llama 3.1 Tulu 3 8B (Allen Institute) and Mixtral 8x22B Instruct (Mistral AI) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 22 September 2026

As of 22 September 2026, Mixtral 8x22B Instruct holds the stronger ModelCap Index position (#207 vs #208); and Mixtral 8x22B Instruct ships open weights.

Which should you choose?

Choose Llama 3.1 Tulu 3 8B if…

  • you want the more recently listed model — Llama 3.1 Tulu 3 8B was listed 20 November 2024, Mixtral 8x22B Instruct 17 April 2024.

Choose Mixtral 8x22B Instruct if…

  • you want the stronger overall ModelCap Index position — #207 against #208 (9.5 vs 8.7 points).
  • you want to self-host: Mixtral 8x22B Instruct ships open weights while Llama 3.1 Tulu 3 8B is restricted license.
  • you want provider choice — 1 listed API providers against 0.

Llama 3.1 Tulu 3 8B vs Mixtral 8x22B Instruct: specs, pricing and context

Specification comparison of Llama 3.1 Tulu 3 8B and Mixtral 8x22B Instruct
FieldLlama 3.1 Tulu 3 8BAllen InstituteMixtral 8x22B InstructMistral AI
ModelCap Index position#208#207
Index score8.79.5
EvidenceMeasuredMeasured
Input price / 1M tokensUnlisted$2.00
Output price / 1M tokensUnlisted$6.00
Context window— tokens66K tokens
Max output tokens—52K
API providers listed01
Weight accessRestricted licenseOpen weights
Input modalitiesTextText, File
First listed20 November 202417 April 2024
PublisherAllen InstituteMistral AI

Evidence: 1 public benchmark observation across 1 board · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Llama 3.1 Tulu 3 8B vs Mixtral 8x22B Instruct

Public benchmark boards where Llama 3.1 Tulu 3 8B or Mixtral 8x22B Instruct has a published result
BoardLlama 3.1 Tulu 3 8BMixtral 8x22B InstructLeads
Arena codingArena (LMArena)—12781269–1286Only one result

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Llama 3.1 Tulu 3 8B vs Mixtral 8x22B Instruct: common questions

Is Llama 3.1 Tulu 3 8B better than Mixtral 8x22B Instruct?

Mixtral 8x22B Instruct ranks higher on the ModelCap Index as of 22 September 2026: #207 against #208. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is Llama 3.1 Tulu 3 8B cheaper than Mixtral 8x22B Instruct?

At least one of the two has no listed API price on ModelCap right now, so no price comparison is made.

Which has the bigger context window, Llama 3.1 Tulu 3 8B or Mixtral 8x22B Instruct?

Both publish a —-token context window.

Which is better for coding, Llama 3.1 Tulu 3 8B or Mixtral 8x22B Instruct?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are Llama 3.1 Tulu 3 8B and Mixtral 8x22B Instruct open-weight models?

Llama 3.1 Tulu 3 8B: Restricted license. Mixtral 8x22B Instruct: Open weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Llama 3.1 Tulu 3 8B and Mixtral 8x22B Instruct?

ModelCap currently lists 0 API providers for Llama 3.1 Tulu 3 8B and 1 for Mixtral 8x22B Instruct, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Llama 3.1 Tulu 3 8B vs Mixtral 8x22B Instruct comparison?

Every figure comes from the sealed ModelCap dataset published 22 September 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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