Llama 3.3 70B vs Llama 4 Scout: Which is Better in 2026?

Llama 3.3 70B (Meta, 70B parameters) and Llama 4 Scout (Meta, 109B parameters) are both frontier-class models competing for the same developer and enterprise audience in 2026. This page compiles benchmarks, task grades, and practical guidance to help you decide which model fits your workflow.

Last updated: October 2, 2026

Quick Verdict

Across the benchmarks where both models have published scores, Llama 4 Scout leads on 4 of 4 shared evaluation tasks. Llama 3.3 70B remains competitive, particularly in areas aligned with its training focus. For general-purpose quality, Llama 4 Scout currently holds an edge — but the right choice depends heavily on your specific use case, budget, and whether you need API access or self-hosted deployment.

Side-by-Side Comparison

The table below covers every benchmark for which at least one model has a published score. Higher scores are better on all metrics except where noted. Bold values indicate the higher score in each row.

Benchmark Llama 3.3 70B Llama 4 Scout Winner
MMLU-Pro 68.9 74.3 Llama 4 Scout
GPQA Diamond 50.5 57.2 Llama 4 Scout
HumanEval 88.4 — Llama 3.3 70B
GSM8K 94.84 — Llama 3.3 70B
IFEval 92.1 — Llama 3.3 70B
MATH-500 77 — Llama 3.3 70B
Arena Elo (Text) 1274 1279 Llama 4 Scout
AIME 2024–25 (Epoch AI) 5.1 7.8 Llama 4 Scout
LiveCodeBench — 32.8 Llama 4 Scout
MMMU — 73.4 Llama 4 Scout
Arena Elo (Vision) — 1118 Llama 4 Scout

Task Performance

Per-task grades are sourced from the id8 LLM leaderboard evaluations. Each grade reflects observed output quality across real-world prompts in that category. A dash (—) means grades are not yet published for that model.

Task Llama 3.3 70B Llama 4 Scout
Coding B C
Math B C
Content Writing B C
Reasoning B C
Studying B C
Chat / Conversation B C
Summarization B C
Agents / Tool Use C D
Vision / Multimodal C C
Data Analysis B C
Hindi / Multilingual C C
Interview Prep B C
overall B C

Grade scale: S = Exceptional   A = Strong   B = Good   C = Fair   D = Weak

Key Differences

Which Should You Choose?

Choose Llama 3.3 70B if benchmark-verified reasoning and coding performance are your top priority. Its published scores on GPQA Diamond and SWE-Bench make it a strong choice for knowledge-intensive and software engineering workflows.

Choose Llama 4 Scout if you need a capable open-weight model at 109B scale with solid benchmark performance across reasoning and STEM tasks, especially if self-hosting is part of your deployment plan.

Still unsure? The LLM Leaderboard lets you sort and filter models by benchmark — useful for narrowing down the right model for a specific workload.

Explore Further

Use these tools to dig deeper into either model's hardware requirements and leaderboard ranking.

Related Comparisons

Related Tools