GPT-5.5 vs Llama 4 Scout
OpenAI vs Meta — Llama 4 Scout is 96% cheaper on input and 98% cheaper on output, with a comparable 1M context window.
Pricing data verified: Jun 10, 2026
| Specification | GPT-5.5 | Llama 4 Scout |
|---|---|---|
| Input Price (per 1M tokens) | $5.00 | $0.18 |
| Output Price (per 1M tokens) | $30.00 | $0.59 |
| Context Window | 1.05M tokens | 1M tokens |
| Tier | Premium | Budget |
| Provider | OpenAI | Meta (Together.ai) |
| Input Savings | Baseline | 96% cheaper |
| Output Savings | Baseline | 98% cheaper |
| Cost at 1M input + 500K output | $20.00 | $0.47 |
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Which Model for Which Use Case?
Extreme Cost Optimization
Llama 4 Scout at $0.18/M is 96% cheaper than GPT-5.5. For high-volume applications where cost per token is critical, Llama 4 Scout delivers massive savings.
Maximum Quality
GPT-5.5 is OpenAI's most capable model, offering the highest quality reasoning and generation. For applications where output quality is paramount, GPT-5.5 justifies its premium.
Open-Source at Scale
Llama 4 Scout gives you full open-source control — self-host, fine-tune, and customize. At $0.18/M input, you can run massive workloads for a fraction of GPT-5.5's cost.
Enterprise vs Startup
GPT-5.5 suits enterprises needing managed infrastructure and support. Llama 4 Scout suits startups and cost-conscious teams who can manage their own deployment.
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Frequently Asked Questions
Is Llama 4 Scout cheaper than GPT-5.5?
Yes. Llama 4 Scout costs $0.18/M input and $0.59/M output. GPT-5.5 costs $5.00/M input and $30.00/M output. Llama is 96% cheaper on input and 98% cheaper on output. For 1M input + 500K output tokens/month, Llama costs $0.48 vs GPT-5.5's $20.00 — saving $19.52/month (98%).
Which has a larger context window?
GPT-5.5 has a 1.05M token context window, which is slightly larger than Llama 4 Scout's 1M context. The difference is minimal — both handle very long contexts.
When should I choose GPT-5.5 over Llama 4 Scout?
Choose GPT-5.5 when: (1) you need OpenAI's premium quality and ecosystem, (2) you want managed infrastructure with SLAs, (3) your workload requires the absolute highest reasoning capability. Choose Llama 4 Scout when: (1) cost is the primary concern (96-98% cheaper), (2) you can self-host or use Together.ai, (3) you want open-source flexibility.
Are both models production-ready?
Both support production workloads. GPT-5.5 is OpenAI's most capable model with enterprise support. Llama 4 Scout is Meta's open-source model via Together.ai — dramatically cheaper but requires more infrastructure consideration.