ModelRefs / Llama 4 Scout vs o3 Pro
Llama 4 Scout vs o3 Pro
Llama 4 Scout vs o3 Pro: side-by-side benchmarks, pricing, context windows, coding ability and deployment. Pick the right model for your stack.
Overview
Llama 4 Scout: Llama 4 Scout is Meta's efficiency-focused open-weights model with an exceptionally large 10M-token context window and vision support. It is optimized for long-document retrieval and low-cost inference at scale.
o3 Pro: o3 Pro is OpenAI's highest-capability reasoning model, applying extended compute at inference time to solve complex scientific, mathematical, and programming problems. It achieved the highest published scores on ARC-AGI-2 and competitive programming benchmarks at its June 2025 release.
Context window: Llama 4 Scout accepts up to 10,000,000 tokens, o3 Pro up to 200,000. Confirm the limit for your specific deployment channel before relying on it.
Llama 4 Scout vs o3 Pro at a glance
| Attribute | Llama 4 Scout | o3 Pro |
|---|---|---|
| Provider | Meta | OpenAI |
| Released | 2025-04-01 | 2025-06-10 |
| Context window | 10,000,000 tokens | 200,000 tokens |
| Input price | $0.11/M tokens | $20/M tokens |
| Output price | $0.34/M tokens | $80/M tokens |
| Licence | Llama-4-Community | Proprietary |
| Self-hostable | Yes, open weights | No, hosted only |
| Modalities | text, vision | text, vision |
Where they differ most
- Coding: Llama 4 Scout 33%, o3 Pro 85%. o3 Pro leads on this dimension.
- Reasoning: Llama 4 Scout 62%, o3 Pro 32%. Llama 4 Scout leads on this dimension.
Capability scores are ModelRefs' own derived signals, not vendor claims or benchmark results. Validate against your own workload before relying on them.
Continue your research
Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to Llama 4 Scout vs o3 Pro.
Frequently asked questions
Which is better, Llama 4 Scout or o3 Pro?
Llama 4 Scout and o3 Pro target different workloads — see the benchmark and pricing tables for a side-by-side answer.
Is Llama 4 Scout cheaper than o3 Pro?
Compare $0.00011 vs $0.0200 on this page.