Best GPT-5.5 Pro alternatives
Users often seek alternatives to GPT-5.5 Pro because of its high output price and potential latency with maximum context lengths. This list covers seven multimodal models with large context windows, comparing their intelligence, speed, cost, and capabilities based on available details.
Multi-agent multimodal model for massive context tasks
Multimodal model handling large-scale image, text, and file tasks.
OpenAI multimodal model with 400k-token context for text and image tasks.
Anthropic's Claude Sonnet 4.6 excels at long-context multimodal analysis.
Google's multimodal model processes text, images, audio, video and files over 1M tokens.
Multimodal model handling images, text, and files over vast contexts.
OpenAI's multimodal model for large-scale text and image tasks.
Handles million-token multimodal inputs with precision.
Frequently asked questions
Claude Fable 5 stands out as the best alternative with the highest intelligence index of 59.9 and strong large-context multimodal capabilities at a lower price.