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Head-to-head comparison

Llama 3.1 Tulu 3 70B vs Llama 3.1 Tulu 3 8B

Llama 3.1 Tulu 3 70B (Allen Institute) and Llama 3.1 Tulu 3 8B (Allen Institute) 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 6 November 2026

As of 6 November 2026, Llama 3.1 Tulu 3 70B holds the stronger ModelCap Index position (#267 vs #302).

Which should you choose?

Choose Llama 3.1 Tulu 3 70B if…

  • you want the stronger overall ModelCap Index position — #267 against #302 (23.7 vs 14.4 points).
  • Arena text is your yardstick — 1286 against 1221.
  • Arena coding is your yardstick — 1308 against 1252.
  • you want the more recently listed model — Llama 3.1 Tulu 3 70B was listed 20 November 2024, Llama 3.1 Tulu 3 8B 20 November 2024.

Choose Llama 3.1 Tulu 3 8B if…

  • ModelCap publishes no field on which Llama 3.1 Tulu 3 8B leads Llama 3.1 Tulu 3 70B for this pair.

Llama 3.1 Tulu 3 70B vs Llama 3.1 Tulu 3 8B: specs, pricing and context

Specification comparison of Llama 3.1 Tulu 3 70B and Llama 3.1 Tulu 3 8B
FieldLlama 3.1 Tulu 3 70BAllen InstituteLlama 3.1 Tulu 3 8BAllen Institute
ModelCap Index position#267#302
Index score23.714.4
EvidenceMeasuredMeasured
Input price / 1M tokensUnlistedUnlisted
Output price / 1M tokensUnlistedUnlisted
Context window— tokens— tokens
Declared route output cap--
API providers listed00
Weight accessRestricted licenseRestricted license
Input modalitiesTextText
First listed20 November 202420 November 2024
PublisherAllen InstituteAllen Institute

Evidence: 2 public benchmark observations across 2 boards · 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 70B vs Llama 3.1 Tulu 3 8B

Public benchmark boards where Llama 3.1 Tulu 3 70B or Llama 3.1 Tulu 3 8B has a published result
BoardLlama 3.1 Tulu 3 70BLlama 3.1 Tulu 3 8BLeads
Arena textArena (LMArena)12861276–1297Not reported12211210–1231Not reportedLlama 3.1 Tulu 3 70B
Arena codingArena (LMArena)13081284–133112521228–1277Llama 3.1 Tulu 3 70B

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 70B vs Llama 3.1 Tulu 3 8B: common questions

Is Llama 3.1 Tulu 3 70B better than Llama 3.1 Tulu 3 8B?

Llama 3.1 Tulu 3 70B ranks higher on the ModelCap Index as of 6 November 2026: #267 against #302. 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 70B cheaper than Llama 3.1 Tulu 3 8B?

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 70B or Llama 3.1 Tulu 3 8B?

Llama 3.1 Tulu 3 70B: context unknown. Llama 3.1 Tulu 3 8B: context unknown. OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified.

Which is better for coding, Llama 3.1 Tulu 3 70B or Llama 3.1 Tulu 3 8B?

Arena coding: Llama 3.1 Tulu 3 70B 1308, Llama 3.1 Tulu 3 8B 1252 — Llama 3.1 Tulu 3 70B leads.

Are Llama 3.1 Tulu 3 70B and Llama 3.1 Tulu 3 8B open-weight models?

Llama 3.1 Tulu 3 70B: Restricted license. Llama 3.1 Tulu 3 8B: Restricted license. Open weights mean the checkpoint can be downloaded and self-hosted under its licence. A missing weight link does not identify every API or chat product that offers a model.

Where can I run Llama 3.1 Tulu 3 70B and Llama 3.1 Tulu 3 8B?

ModelCap currently lists 0 API providers for Llama 3.1 Tulu 3 70B and 0 for Llama 3.1 Tulu 3 8B, 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 70B vs Llama 3.1 Tulu 3 8B comparison?

Every figure and ModelCap Index position comes from the same published snapshot dated 6 November 2026. Publication and page updates happen separately; use the snapshot date shown on the page.

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