GPT API pricing & models
SoleAPI serves 9 OpenAI models: GPT-5.6 Terra, GPT-6 Sol, GPT-6.1 Sol, GPT-5.5, GPT-5.6 Sol, GPT-6 Astra, GPT-Image-2, GPT-Image-2.5 Flare, GPT-Image-2.5 Sunburst. Input costs 0.6–5 Credits / M tokens (1 Credit = ¥1), up to 95% below list price. Compatible with Anthropic Messages / OpenAI Responses; one API key for all of them, pay as you go.
OpenAI model pricing
SoleAPI default channel price in Credits (1 Credit = ¥1); struck-through is the list price. Click a model for full pricing, protocols and uptime.
| Model | Context · output | Input / M | Output / M | 7-day uptime |
|---|---|---|---|---|
| GPT-5.6 Terragpt-5.6-terra | 1.05M · 128K | 100.0% | ||
| GPT-6 Solgpt-6-sol | 1.05M · 128K | — | ||
| GPT-6.1 Solgpt-6.1-sol | 1.05M · 128K | — | ||
| GPT-5.5gpt-5.5 | 1.05M · 128K | — | ||
| GPT-5.6 Solgpt-5.6-sol | 1.05M · 128K | 100.0% | ||
| GPT-6 Astragpt-6-astra | 1.05M · 128K | 100.0% | ||
| GPT-Image-2gpt-image-2 | — | — | — | |
| GPT-Image-2.5 Flaregpt-image-2.5-flare | — | — | — | |
| GPT-Image-2.5 Sunburstgpt-image-2.5-sunburst | — | — | — |
Input (prompt) / Output (completion) are per 1M tokens; image and video models show their primary unit price. Uptime comes from SoleAPI probes; a dash means not probed yet.
How to call OpenAI models
Samples use GPT-5.6 Terra; change the model field to call any other model from this vendor.
Anthropic SDK or any Messages-protocol client: point base_url at https://api.soleapi.com and use a SoleAPI key.
curl https://api.soleapi.com/v1/messages \
-H "x-api-key: $SOLEAPI_KEY" \
-H "anthropic-version: 2023-06-01" \
-H "content-type: application/json" \
-d '{
"model": "gpt-5.6-terra",
"max_tokens": 1024,
"messages": [{"role": "user", "content": "Explain prompt caching in one sentence"}]
}'OpenAI model capabilities
Exactly as flagged in the catalog.
| Capability | GPT-5.6 Terra | GPT-6 Sol | GPT-6.1 Sol | GPT-5.5 | GPT-5.6 Sol | GPT-6 Astra | GPT-Image-2 | GPT-Image-2.5 Flare | GPT-Image-2.5 Sunburst |
|---|---|---|---|---|---|---|---|---|---|
| Vision | |||||||||
| Function Calling | |||||||||
| Reasoning | |||||||||
| Prompt Caching | |||||||||
| Response Schema | |||||||||
| Audio | |||||||||
| Video | |||||||||
| File Input | |||||||||
| Streaming | |||||||||
| Web Search | |||||||||
| Realtime | |||||||||
| Session | |||||||||
| Media | |||||||||
| Multipart Form | |||||||||
| Binary Response |
Compare OpenAI models
Pricing, context, capabilities and uptime side by side.
FAQ
How much does the GPT API cost on SoleAPI?
OpenAI models cost 0.6–5 Credits / M input tokens, with 1 Credit = ¥1; the cheapest is GPT-5.6 Terra. That is up to 95% below list price — see the table above.
How do I call GPT models on SoleAPI with the official SDK?
Point the base URL at https://api.soleapi.com and use a SoleAPI key. Anthropic Messages / OpenAI Responses are supported and request bodies are identical to the official API.
Which GPT model has the largest context window?
GPT-5.6 Terra, with 1.05M tokens. Context and max output for every model are in the pricing table above.
Can I pay for the GPT API with Alipay?
Yes. SoleAPI accepts Alipay top-ups; 1 Credit = ¥1, billed per use with no monthly fee or minimum.
One API key for every OpenAI model
Free credits on sign-up, pay as you go, no monthly fee.