Pricing · GPT
GPT-6 Sol pricing: API price, cost per message and plans
What GPT-6 Sol costs, three ways: OpenAI's API price per token, what GPT-6 Sol's replies actually cost in our test runs, and how many GPT-6 Sol messages each llmwise plan includes. Every limit on GPT-6 Sol is on its model page.
API prices checked against OpenRouter's GPT-6 Sol page. Updated .
Short answer
GPT-6 Sol's API price is $2.00 per million input tokens and $10.00 per million output tokens (OpenAI's list price, September 2026). In our 50 test runs a GPT-6 Sol reply cost $0.0026 on average (median $0.0021), from $0.0016 a reply on agents and tool use to $0.0052 on coding. In llmwise you pay per message instead: up to 125 GPT-6 Sol messages a month on Pro ($20), 400 on Max ($50), 900 on Ultra ($100) and 2,000 on Studio ($200).
GPT-6 Sol API pricing
GPT-6 Sol through its API is billed per token: $2.00 in, $10.00 out per million tokens, as of September 2026.
| Input tokens | $2.00 per million |
|---|---|
| Output tokens | $10.00 per million |
| A typical GPT-6 Sol message (4,000 in, 700 out) | $0.0150 |
| 1,000 typical GPT-6 Sol messages | $15.00 |
| Typical GPT-6 Sol messages for $1 | 66 |
| Whose price | OpenAI's list price |
What a GPT-6 Sol reply cost in our test runs
We sent the same 50 test prompts to every model in llmwise on September 27, 2026, through OpenRouter with llmwise's own prompt and settings. Here's what each GPT-6 Sol reply cost, job by job.
| Job | GPT-6 Sol, per reply | Per 1,000 replies | Tokens in / out | Passed |
|---|---|---|---|---|
| Coding | $0.0052 | $5.25 | 486 / 428 | 5 of 5 |
| Writing | $0.0023 | $2.26 | 398 / 147 | 4 of 5 |
| Math | $0.0018 | $1.81 | 395 / 102 | 5 of 5 |
| Summarization | $0.0022 | $2.19 | 497 / 120 | 4 of 5 |
| Data analysis | $0.0034 | $3.38 | 580 / 222 | 5 of 5 |
| Customer support | $0.0029 | $2.92 | 519 / 188 | 3 of 5 |
| Translation | $0.0028 | $2.80 | 435 / 193 | 4 of 5 |
| SQL | $0.0021 | $2.07 | 499 / 108 | 5 of 5 |
| RAG and answering from documents | $0.0016 | $1.62 | 645 / 33 | 5 of 5 |
| Agents and tool use | $0.0016 | $1.61 | 472 / 67 | 5 of 5 |
Across all 50 GPT-6 Sol replies: $0.0026 on average, $0.0021 at the median, $0.0012 for the cheapest and $0.0089 for the dearest. The GPT-6 Sol replies averaged 493 tokens in and 161 out, against the typical message's 4,000 in and 700 out: each test prompt starts a new chat, while a reply deep in a long chat rereads all of it.
GPT-6 Sol on each llmwise plan
In llmwise a GPT-6 Sol message is one of a published count, however long the reply runs, and you see what's left before you send.
Free: GPT-6 Sol is in the one-time trial of 5 messages, no card needed.
Pro, $20 a month: up to 125 GPT-6 Sol messages a month, which is $0.16 a GPT-6 Sol message if every message goes to GPT-6 Sol.
Max, $50 a month: up to 400 GPT-6 Sol messages a month, which is $0.13 a GPT-6 Sol message if every message goes to GPT-6 Sol.
Ultra, $100 a month: up to 900 GPT-6 Sol messages a month, which is $0.11 a GPT-6 Sol message if every message goes to GPT-6 Sol.
Studio, $200 a month: up to 2,000 GPT-6 Sol messages a month, which is $0.10 a GPT-6 Sol message if every message goes to GPT-6 Sol.
A $10 top-up adds up to 100 GPT-6 Sol messages, valid 12 months.
Every limit is published. Paid plans also have a monthly fair-use limit on AI cost: Pro $7.50, Max $20, Ultra $42, Studio $85. Using every message on your plan at typical sizes stays under it; very large messages and heavy research use it faster. Every limit, explained.
GPT-6 Sol against the other GPT models
Every GPT model in llmwise beside GPT-6 Sol, dearest first.
| Model | API, per 1M in / out | Input price against GPT-6 Sol | Average reply in our runs | On Pro |
|---|---|---|---|---|
| GPT-6 AstraOpenAI | $10.00 / $50.00 | 5 times GPT-6 Sol's | $0.0117 | Up to 31 a month |
| GPT-6 SolOpenAIThis page | $2.00 / $10.00 | – | $0.0026 | Up to 125 a month |
| GPT-6 LunaOpenAI | $0.10 / $0.50 | 5% of GPT-6 Sol's | $0.00012 | Up to 60 a day |
GPT-6 Sol in OpenAI's own plans
What OpenAI's own subscriptions say about GPT-6 Sol, in their words, set beside llmwise's count. Each was checked on the day shown; we drop a plan from this page when its facts are more than 45 days old.
ChatGPT Plus, $20 a month
GPT-6 Sol on ChatGPT Plus: Listed; no published count. On llmwise Pro ($20 a month): up to 125 GPT-6 Sol messages a month. ChatGPT Plus vs llmwise.
Sources: OpenAI Help Center: What is ChatGPT Plus?, OpenAI Help Center: Managing usage with GPT-6 Astra in Work and Codex and ChatGPT pricing, checked .
ChatGPT Pro, $100 or $200 a month
GPT-6 Sol on ChatGPT Pro: Listed; no published count. On llmwise Pro ($20 a month): up to 125 GPT-6 Sol messages a month. ChatGPT Pro vs llmwise.
Sources: OpenAI Help Center: About ChatGPT Pro tiers, OpenAI Help Center: GPT-6 Pro in ChatGPT and ChatGPT pricing, checked .
GPT-6 Sol's own page: GPT-6 Sol: price, limits and messages on every plan. GPT-6 Sol passed 45 of the 50 test prompts these costs come from.
Questions
How much does a GPT-6 Sol message cost?
In our test runs, $0.0026 a reply on average through OpenRouter (median $0.0021), across 50 GPT-6 Sol replies to our test prompts. At the API price a typical GPT-6 Sol message of 4,000 tokens in and 700 out costs $0.0150; a long chat costs more, because every reply rereads it.
What is GPT-6 Sol's API price?
$2.00 per million input tokens and $10.00 per million output tokens, as of September 2026 (OpenAI's list price).
How many GPT-6 Sol messages does llmwise Pro include?
Up to 125 GPT-6 Sol messages a month on Pro ($20 a month), if the whole allowance goes to GPT-6 Sol; the count on each plan is above.
Can I use GPT-6 Sol for free?
Yes, to try: GPT-6 Sol is in llmwise's one-time free trial of 5 messages.
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