GPT-5.6 Sol API in Russia — no VPN, no foreign card
GPT-5.6 Sol is the flagship of OpenAI's GPT-5.6 series for complex professional work, with flexible control over reasoning depth. Connect through RuAPI: pay in USDT from $5, no subscription, your key right after sign-up.
from openai import OpenAI
client = OpenAI(
api_key="sk-...",
base_url="https://www.ruapi.ai/v1",
)
resp = client.chat.completions.create(
model="gpt-5.6-sol",
messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)Replace sk-... with a key from the RuAPI Console — the model gpt-5.6-sol is already set.
GPT-5.6 Sol API price
Current price in US dollars — the same as on the pricing page. Pay in USDT, pay as you go, no subscription.
| model | input $ / 1M | output $ / 1M |
|---|---|---|
| gpt-5.6-sol | $4.80 cache read $0.48 >272K: $9.60 | $24.00 >272K: $36.00 |
Input is the regular price of input tokens, “cache read” is the price of input tokens served from the prompt cache, output is the price of output tokens. The price in your account may be lower.
The grey “>272K” line is the vendor’s official tier for long prompts: when a prompt exceeds the threshold, the whole request is billed at that tier.
What is GPT-5.6 Sol
GPT-5.6 Sol is the top model of the GPT-5.6 series, which also includes Terra and Luna. OpenAI positions it as roughly the unsuffixed tier of earlier GPT-5 families (the models without mini or nano) and aims it at complex professional work.
All three models in the series share the same context window, output limit and knowledge cutoff; they differ in tier: Terra balances intelligence and cost, Luna targets high-volume workloads, and Sol takes on the hardest work. Reasoning effort goes from none (answer right away) to max, with medium as the default. It understands images, calls functions and returns structured outputs; on RuAPI it is available via /v1/chat/completions and /v1/responses.
GPT-5.6 Sol specs
| Developer | OpenAI |
| Model ID in the RuAPI API | gpt-5.6-sol |
| Context window | 1.05M tokens |
| Max input | 922K tokens |
| Max output | 128K tokens |
| Input | text, images |
| Output | text |
| Reasoning mode | yes |
| Tool calling | yes |
| Prompt caching | yes |
| Status | generally available |
| Protocols on RuAPI | OpenAI (/v1/chat/completions) · OpenAI Responses (/v1/responses) |
Specs are from OpenAI’s official documentation (developers.openai.com), checked Oct 22, 2026.
What it’s good for
- Complex analysis and work with long documents
- Coding in Codex CLI, Cline or OpenCode
- Multi-step workflows with function calls
- Assistants that sometimes need to think and sometimes need to answer instantly
When another model is a better fit
- GPT-6 Astra — OpenAI's most capable model, in its own words — for tasks where Sol falls short
- GPT-5.6 Terra — The mini-level model of the same series: balances intelligence and cost for everyday tasks
GPT-5.6 Sol: price on RuAPI and elsewhere
| RuAPI | AITUNNEL | ProxyAPI | |
|---|---|---|---|
| Input, $ per 1M tokens | $4.80 | ≈ $4.88 | ≈ $9.759 |
| Output, $ per 1M tokens | $24.00 | ≈ $24.40 | ≈ $57.34 |
AITUNNEL and ProxyAPI prices are from their public pages as of Oct 22, 2026 (ProxyAPI prices include VAT, as on their site), converted at the Bank of Russia rate (81.97 ₽ per $1). The RuAPI price is current.
How to connect GPT-5.6 Sol from Russia
- Sign up at ruapi.ai — with email, Google or Yandex. No VPN needed.
- Top up with USDT or USDC from 5 USDT. No USDT yet? Buy it with rubles via SBP — step by step in the docs.
- In the Console, open API Keys → Create key.
- Use the address https://www.ruapi.ai/v1 and the model gpt-5.6-sol.
FAQ
See also: ChatGPT API in Russia · Documentation · GPT-6 Astra · GPT-5.6 Terra · GPT-5.6 Luna · GPT-5.4