OpenAI: GPT-5.5 Pro vs Meta: Llama 4 Maverick
Side-by-side comparison — pricing, context window, capabilities, and live leaderboard data.
Key differences
- Meta: Llama 4 Maverick is 100% cheaper per 1K input tokens than OpenAI: GPT-5.5 Pro ($0.0001 vs $0.0300).
- OpenAI: GPT-5.5 Pro is built by OpenAI; Meta: Llama 4 Maverick is built by Meta.
Specifications
| OpenAI: GPT-5.5 Pro | Meta: Llama 4 Maverick | |
|---|---|---|
| Provider | OpenAI | Meta |
| Context window | 1050K | 1049K |
| Max output tokens | 8192 | 8192 |
| Input price / 1K tokens | $0.0300 | $0.0001 |
| Output price / 1K tokens | $0.1800 | $0.0006 |
| Vision support | Yes | Yes |
| Function calling | No | No |
| License | Proprietary | Proprietary |
About OpenAI: GPT-5.5 Pro
US·ClosedGPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...
View OpenAI: GPT-5.5 Pro reliability and benchmark history →About Meta: Llama 4 Maverick
US·ClosedLlama 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 →Try them yourself
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