Skip to content

Changelog: GPT-6 Sol and GPT-6 Luna. Now in Supercomputer and MCP

2026-09-22 · changelog: model release · Higgsfield · original

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

Higgsfield's changelog of 22 September 2026 says OpenAI's GPT-6 Sol and GPT-6 Luna, two models of the GPT-6 line tuned for price and speed, are now in Supercomputer and Higgsfield MCP: Sol for complex coding and agentic work, Luna for simple high-volume tasks, with GPT-6 Astra still the flagship.

What is said

  • GPT-6 Sol and GPT-6 Luna now in Supercomputer and MCP

What is said

★ — how much it matters to the source.

  • ★★★ Higgsfield's changelog of 22 September 2026 says OpenAI has added two models to the GPT-6 line, GPT-6 Sol and GPT-6 Luna, both now available in Supercomputer and Higgsfield MCP. · OpenAI, Supercomputer, Higgsfield MCP
  • ★★ Higgsfield says GPT-6 Sol and GPT-6 Luna were trained with the same methods as GPT-6 Astra but tuned for price and speed. · GPT-6 Astra
  • ★★ Higgsfield describes GPT-6 Sol as the workhorse of the GPT-6 line, for complex coding, agentic tasks, long multi-step scenarios and tool use.
  • ★★ Higgsfield describes GPT-6 Luna as the cheapest model of the GPT-6 family, meant for simple, high-volume tasks.
  • ★★ GPT-6 Astra stays the flagship of the GPT-6 line, for when the strongest result is needed. · GPT-6 Astra
  • ★ To start with GPT-6 Sol or GPT-6 Luna, install the Higgsfield ChatGPT Plugin, or open Supercomputer and select the model. · Higgsfield ChatGPT Plugin, Supercomputer

Threads in this video

  • milestone · Supercomputer — Higgsfield's changelog of 22 September 2026 says OpenAI has added two models to the GPT-6 line, GPT-6 Sol and GPT-6 Luna, both now available in Supercomputer and Higgsfield MCP.
  • milestone · Higgsfield MCP — Higgsfield's changelog of 22 September 2026 says OpenAI has added two models to the GPT-6 line, GPT-6 Sol and GPT-6 Luna, both now available in Supercomputer and Higgsfield MCP.
  • refine · Which LLM should an AI agent run on to plan a video production? — Higgsfield describes GPT-6 Sol as the workhorse of the GPT-6 line, for complex coding, agentic tasks, long multi-step scenarios and tool use.

Where the stories that moved here went next

Mentioned

Central: GPT-6 Luna · GPT-6 Sol

Also: GPT-6 Astra · Higgsfield ChatGPT Plugin · OpenAI

Only in the description or credits: Higgsfield MCP · Supercomputer

← Previous: Unlimited VFX possibilities are here · Next → Best AI Video Platforms for Agencies in 2026: Client Workspaces, Team Seats, and Commercial Rights