OpenAI: GPT-5.5 Pro vs MiniMax: MiniMax M2.7
Side-by-side comparison — pricing, context window, capabilities, and live leaderboard data.
Key differences
- OpenAI: GPT-5.5 Pro has a 1050K-token context window — 5.1× larger than MiniMax: MiniMax M2.7's 205K.
- MiniMax: MiniMax M2.7 is 99% cheaper per 1K input tokens than OpenAI: GPT-5.5 Pro ($0.0003 vs $0.0300).
- OpenAI: GPT-5.5 Pro is built by OpenAI; MiniMax: MiniMax M2.7 is built by MiniMax.
- OpenAI: GPT-5.5 Pro supports vision (image inputs); the other does not.
Specifications
| OpenAI: GPT-5.5 Pro | MiniMax: MiniMax M2.7 | |
|---|---|---|
| Provider | OpenAI | MiniMax |
| Context window | 1050K | 205K |
| Max output tokens | 8192 | 8192 |
| Input price / 1K tokens | $0.0300 | $0.0003 |
| Output price / 1K tokens | $0.1800 | $0.0012 |
| Vision support | Yes | No |
| 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 MiniMax: MiniMax M2.7
CN·ClosedMiniMax-M2.7 is a next-generation large language model designed for autonomous, real-world productivity and continuous improvement. Built to actively participate in its own evolution, M2.7 integrates advanced agentic capabilities through multi-agent...
View MiniMax: MiniMax M2.7 reliability and benchmark history →Try them yourself
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