# OpenAI — Model ML completes finance work more efficiently with GPT-5.6 Sol

- Company: OpenAI (openai.com)
- Announced: 2026-08-10T12:00:00+00:00
- Category: capability-change
- Subject: GPT / ChatGPT / API
- Models affected: GPT-5.6 Sol, Opus 5, Fable 5, Opus 4.8, GPT 5.6 Terra, GPT-5.5
- Source: https://openai.com/index/model-ml
- Record: https://forck.live/items/3705-model-ml-completes-finance-work-more-efficiently-with-gpt-5-6-sol

Model ML uses GPT-5.6 Sol in its agents to automate finance workflows, creating editable PowerPoint and Excel files with fewer tokens and higher professional readiness compared to other models like Opus 5 and Fable 5.

## Evidence

Verbatim from https://openai.com/index/model-ml:

> Model ML uses GPT‑5.6 Sol in workflows that create editable PowerPoint and Excel files, with 21% fewer tokens per deck than Fable 5.

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