GPT-6 Sol pricing: API and ChatGPT plans
GPT-6 Sol costs $2 per million input tokens and $10 per million output, with a 1.05M context window. In ChatGPT, the cheapest plan with it is Plus at $20/mo.
US dollars per million tokens, standard rate, shortest context band. Plan prices read 14 October 2026. Newer model: GPT-6.1 Sol
- 1,000 support replies
- $10.00
- Cached input
- $0.20
- Context window
- 1,050,000 tokens
- Released
- 22 Sep 2026
- Weights
- Closed weights
From OpenAI’s own pages, 15 October 2026.
GPT-6 Sol costs $2 per million input tokens and $10 per million output tokens on OpenAI’s own API, and $0.20 for cached input. At those prices 1,000 support replies cost $10.00, the 16th most expensive of 42 priced models on our list.
In ChatGPT: GPT-6 Sol is included in Plus ($20/mo), Pro (from $100/mo), Business ($25/mo).
chatgpt.com/pricing/ · Read 14 October 2026. Prices can differ by country and include or exclude tax depending on the country.
What a job costs
Three jobs, 1,000 runs of each, at the list price above, and where each puts GPT-6 Sol among the 42 models with a list price.
| Job | 1,000 runs | Among 42 |
|---|---|---|
| Support reply3,000 in, 400 out. | $10.00 | 16th most expensive |
| Document summary25,000 in, 1,000 out. | $60.00 | 16th most expensive |
| Agent task80,000 in (70,000 cached), 3,000 out. | $64.00 | 15th most expensive |
The token counts are ours, chosen to look like real work; the prices are OpenAI’s. All three jobs stay under 100,000 tokens a request, below every long-context surcharge on the list.
The small print
What the base rate above leaves out, copied from the maker’s pages: surcharges, discounts, promotions and cache pricing.
OpenAI points to GPT-6.1 Sol as the newer Sol model. Requests above 272K input tokens bill 2x input and 1.5x output ($4 / $15, cached $0.40). Cache write $2.50. Batch and Flex 50% off, Fast mode 2x. Data residency adds 10%.
GPT-6 Sol against the models it is weighed with
Each comparison puts both list prices side by side and costs the same three jobs on each.
- vs GPT-6.1 Sol
- OpenAI's two Sol releases a week apart, at the same list price with a cheaper cache on 6.1.
Other OpenAI models
| Model | Input | Output | Context | 1,000 replies |
|---|---|---|---|---|
| GPT-6 LunaOpenAI | $0.10 | $0.50 | 1.05M | $0.50 |
| GPT-5.6 LunaOpenAINewer model: GPT-6 Luna | $0.20 | $1.20 | 1.05M | $1.08 |
| GPT-5.4 nanoOpenAINewer model: GPT-6 Luna | $0.20 | $1.25 | 400K | $1.10 |
| GPT-5.4 miniOpenAI | $0.75 | $4.50 | 400K | $4.05 |
| GPT-6.1 SolOpenAI | $2.00 | $10.00 | 1.05M | $10.00 |
| GPT-5.6 TerraOpenAINewer model: GPT-6.1 Sol | $2.00 | $12.00 | 1.05M | $10.80 |
| GPT-5.6 SolOpenAINewer model: GPT-6.1 Sol | $4.00 | $20.00 | 1.05M | $20.00 |
| GPT-5.5OpenAINewer model: GPT-6 Astra | $5.00 | $30.00 | 1.05M | $27.00 |
| GPT-6 AstraOpenAI | $10.00 | $50.00 | 1.05M | $50.00 |
Where the price comes from
Read on 15 October 2026. Each price is the standard rate for the shortest context band, with no batch or priority discount; long-context surcharges, batch rates and promotions are in each model’s small print. No price was taken from a reseller.
Compare GPT-6 Sol with 45 other models
The price list sets every model’s input and output price side by side, with what a support reply, a document summary and an agent task cost on each.
Prices checked 15 October 2026 · See them by release date