Comparison

GPT-5.5 vs Llama 4 Scout

Per input token, Llama 4 Scout runs 98% cheaper than GPT-5.5. Llama 4 Scout is 99% cheaper on output tokens. Llama 4 Scout accepts more context per request than GPT-5.5. GPT-5.5 also discounts cached input reads.

FieldGPT-5.5
Llama 4 Scout
ProviderOpenAIMeta
Context window1.1M10M
Max output128K
Input / 1M$5.00$0.1098% cheaper
Output / 1M$30.00$0.3099% cheaper
Cached input / 1M$0.50
Batch discount50%
Release date2026-04-232025-04-05

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadGPT-5.5Llama 4 Scout

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$1,000$14.00cheaper

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$1,530$24.30cheaper

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$725.00$12.25cheaper

GPT-5.5 vs Llama 4 Scout FAQ

Is GPT-5.5 cheaper than Llama 4 Scout?
GPT-5.5 costs $5.00 per 1M input tokens versus $0.10 for Llama 4 Scout — Llama 4 Scout is 4900% cheaper per input token.
Which is cheaper for output tokens, GPT-5.5 or Llama 4 Scout?
GPT-5.5 charges $30.00 per 1M output tokens; Llama 4 Scout charges $0.30 per 1M output tokens.
Which has the larger context window, GPT-5.5 or Llama 4 Scout?
Llama 4 Scout does, with a 10,000,000-token context window.
Do GPT-5.5 and Llama 4 Scout offer cache pricing?
GPT-5.5 discounts cached input to $0.50 per 1M tokens. Llama 4 Scout has no documented cache discount.

Looking for another matchup? See all comparisons.