Tool review · Generative AI

GPT-6 Sol review

GPT-6 Sol is a large language model from OpenAI. Its strengths are strong balance of quality and cost; price is permanent, not introductory. The main caution: below Astra on the hardest tasks. In our profession matrix it scores highest for nurses, doctors and dentists.

What it is

GPT-6 Sol, launched on 22 September 2026, brings GPT-6 Astra's technology to a faster, cheaper model at $2 and $10 per million tokens. OpenAI states these are permanent prices, not promotional rates.

Key features

  • Built on GPT-6 Astra technology
  • Permanent $2 and $10 per million token pricing
  • Faster responses than Astra
  • Available through the OpenAI API

Pros

  • Strong balance of quality and cost
  • Price is permanent, not introductory
  • Good default for production workloads

Cons

  • Below Astra on the hardest tasks
  • Newest release with limited track record
  • Competes closely with Claude Sonnet 5 on price

Pricing

GPT-6 Sol is priced by usage rather than by seat: API: $2 in / $10 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing.

Who it fits

Professions where GPT-6 Sol scores highest in our matrix, with the workflow we recommend for each.

  • Nurses: For nurses who work inside the OpenAI ecosystem, GPT-6 Sol is the balanced choice between speed, cost and quality.
  • Doctors: GPT-6 Sol gives doctors strong general-purpose output at a permanent low price, which suits daily drafting and research.
  • Dentists: For dentists who work inside the OpenAI ecosystem, GPT-6 Sol is the balanced choice between speed, cost and quality.
  • Pharmacists: For pharmacists who work inside the OpenAI ecosystem, GPT-6 Sol is the balanced choice between speed, cost and quality.
  • Physical Therapists: Physical Therapists use GPT-6 Sol as a fast, affordable second opinion, and to check how a different model family handles the same task.
  • Mental Health Counselors: Mental Health Counselors use GPT-6 Sol as a fast, affordable second opinion, and to check how a different model family handles the same task.
  • Veterinarians: Veterinarians use GPT-6 Sol as a fast, affordable second opinion, and to check how a different model family handles the same task.
  • Medical Coders: Medical Coders use GPT-6 Sol as a fast, affordable second opinion, and to check how a different model family handles the same task.

How to get started

Start with one real task you already do each week, give the model the full context, and compare the result with your usual output before changing your workflow. Keep sensitive client or patient data out of consumer chat apps unless your organization has approved the plan.

Alternatives to consider

  • ChatGPT (OpenAI, $20/mo): OpenAI's flagship conversational AI.
  • Claude (Anthropic, $20/mo): Anthropic's assistant, known for long-context reasoning, careful writing, and safety-aware outputs.
  • Claude Fable 5 (Anthropic, API: $10 in / $50 out per M tokens): Claude Fable 5 is a premium-tier Claude model priced above Opus, aimed at the hardest professional and technical work.
  • Claude Fable 5.1 (Anthropic, API: $10 in / $50 out per M tokens): Claude Fable 5.1 is Anthropic's premium generally available model, priced above Opus and built for the hardest reasoning, coding and analysis tasks.
  • Claude Haiku 4.5 (Anthropic, API: $1 in / $5 out per M tokens): Claude Haiku 4.5 is Anthropic's fast, low-cost model at $1 and $5 per million tokens.

Head-to-head comparisons

Frequently asked questions

What is GPT-6 Sol?

GPT-6 Sol, launched on 22 September 2026, brings GPT-6 Astra's technology to a faster, cheaper model at $2 and $10 per million tokens. OpenAI states these are permanent prices, not promotional rates.

How much does GPT-6 Sol cost?

GPT-6 Sol is priced by usage rather than by seat: API: $2 in / $10 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing.

Is there a free version of GPT-6 Sol?

GPT-6 Sol does not currently list a permanent free tier. Look for a trial or a low-cost plan to test it on real work first.

Who is GPT-6 Sol best for?

In our profession matrix GPT-6 Sol ranks highest for nurses, doctors and dentists. For nurses who work inside the OpenAI ecosystem, GPT-6 Sol is the balanced choice between speed, cost and quality.

What are the alternatives to GPT-6 Sol?

Comparable generative ai options we review include ChatGPT, Claude, Claude Fable 5 and Claude Fable 5.1. Read each review to compare pricing, strengths and limits.

Independent review by the AI by Career editorial team. Last reviewed September 2026. No paid placement or affiliate influence; see our editorial policy.