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Changelog: GPT-6.1 Sol

2026-09-29 · changelog: model release · Higgsfield · original

Topic: Prompting & AI assistants · mode: Release note · tags: vendor claims

Higgsfield's changelog of 29 September 2026 says GPT-6.1 Sol, OpenAI's upgrade to GPT-6 Sol for code and agentic tasks, is now in Supercomputer, where it must be picked by hand since Orchestrator is the default; per OpenAI it improves coding, documents, computer use and science, with GPT-6 Astra still advised for the hardest research.

What is said

  • GPT-6.1 Sol now in Supercomputer

What is said

★ — how much it matters to the source.

  • ★★★ Higgsfield's changelog of 29 September 2026 says GPT-6.1 Sol, OpenAI's upgrade to GPT-6 Sol, is now available in Supercomputer on Higgsfield. · OpenAI, Supercomputer
  • ★★ Higgsfield describes GPT-6.1 Sol as a text model for code and agentic tasks.
  • ★★ Supercomputer uses Orchestrator by default, so GPT-6.1 Sol has to be selected manually to be used. · Supercomputer
  • ★ To start with GPT-6.1 Sol, open Supercomputer, go to the model selector and choose GPT-6.1 Sol. · Supercomputer
  • ★★ Per OpenAI, GPT-6.1 Sol codes better than GPT-6 Sol in real codebases and comes close to GPT-6 Astra on long engineering tasks. · GPT-6 Astra, OpenAI
  • ★★ Per OpenAI, GPT-6.1 Sol gives more accurate answers than GPT-6 Sol on complex PDFs with tables, charts, diagrams and small print. · OpenAI
  • ★ Per OpenAI, GPT-6.1 Sol works better with desktop apps in computer use, with results close to GPT-6 Astra. · GPT-6 Astra, OpenAI
  • ★ Per OpenAI, GPT-6.1 Sol is stronger than GPT-6 Sol at data analysis, simulations and terminal work. · OpenAI
  • ★★ For the hardest research tasks, OpenAI still recommends GPT-6 Astra over GPT-6.1 Sol. · GPT-6 Astra, OpenAI

Threads in this video

  • milestone · Supercomputer — Higgsfield's changelog of 29 September 2026 says GPT-6.1 Sol, OpenAI's upgrade to GPT-6 Sol, is now available in Supercomputer on Higgsfield.

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Mentioned

Central: GPT-6.1 Sol

Also: GPT-6 Astra · GPT-6 Sol · Model Orchestrator · OpenAI · Supercomputer

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