GPT-5.5 is described by OpenAI as a smarter frontier model for coding, research, data analysis, and professional knowledge work. The official launch messaging emphasizes higher capability, better speed than previous difficult-work models, and strong performance on tasks involving documents and structured analysis. Its description should focus on broad professional intelligence rather than a single niche.
Input$5 / M tokens
Output$30 / M tokens
Cache Read$0.5 / M tokens
Gemini 3.1 Pro Preview is presented as a reliability-focused refinement of Gemini 3 Pro. Google’s preview notes emphasize better thinking, token efficiency, grounding, factuality, software engineering, agentic tool use, and multi-step execution. The preview label matters: it should be described as an advanced but evolving model for teams testing the next Pro behavior.
Input$2 / M tokens
Output$12 / M tokens
Cache Read$0.2 / M tokens
Claude Opus 4.7 Fast is the fast-mode version of Opus 4.7. Third-party cards present it as keeping Opus 4.7’s advanced reasoning and engineering profile while trading higher cost for greater speed. It fits scenarios that need Opus-class autonomy but where interactive latency is a major product constraint.
Input$30 / M tokens
Output$150 / M tokens
Cache Read$3 / M tokens