OpenAI: GPT-5.5 vs Meta: Llama 4 Maverick

Side-by-side comparison — pricing, context window, capabilities, and live leaderboard data.

Key differences

  • Meta: Llama 4 Maverick is 97% cheaper per 1K input tokens than OpenAI: GPT-5.5 ($0.0001 vs $0.0050).
  • OpenAI: GPT-5.5 is built by OpenAI; Meta: Llama 4 Maverick is built by Meta.

Specifications

OpenAI: GPT-5.5Meta: Llama 4 Maverick
ProviderOpenAIMeta
Context window1050K1049K
Max output tokens81928192
Input price / 1K tokens$0.0050$0.0001
Output price / 1K tokens$0.0300$0.0006
Vision supportYesYes
Function callingNoNo
LicenseProprietaryProprietary

About OpenAI: GPT-5.5

US·Closed

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

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About Meta: Llama 4 Maverick

US·Closed

Llama 4 Maverick 17B Instruct (128E) is a high-capacity multimodal language model from Meta, built on a mixture-of-experts (MoE) architecture with 128 experts and 17 billion active parameters per forward...

View Meta: Llama 4 Maverick reliability and benchmark history →

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