GPT API pricing & models

OpenAI · 5 live models

WandAPI serves 5 OpenAI models: Text Embedding 3 Small, Text Embedding 3 Large, GPT-5.6 Terra, GPT-5.6 Sol, GPT Image 2. Input costs 0.012–4.8 Credits / M tokens (1 Credit = ¥1). Compatible with OpenAI Responses; one API key for all of them, pay as you go.

Live models
5
Lowest input price
0.012Credits / M
Largest context
1.05Mtokens
Avg. 7-day uptime
—

OpenAI model pricing

WandAPI default channel price in Credits (1 Credit = ¥1); struck-through is the list price. Click a model for full pricing, protocols and uptime.

ModelContext · outputInput / MOutput / M7-day uptime
Text Embedding 3 Smalltext-embedding-3-small8.2K$0.020.012——
Text Embedding 3 Largetext-embedding-3-large8.2K$0.130.078——
GPT-5.6 Terragpt-5.6-terra1.05M · 128K$2.001.2$12.007.2—
GPT-5.6 Solgpt-5.6-sol1.05M · 128K$5.003$30.0018—
GPT Image 2gpt-image-2—$8.004.8$30.0018—

Input (prompt) / Output (completion) are per 1M tokens; image and video models show their primary unit price. Uptime comes from WandAPI 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.

Projects already on the OpenAI SDK need no code changes: point base_url at https://api.wandapi.com/v1 — streaming, tool calls and usage are all mapped.

curl https://api.wandapi.com/v1/responses \
  -H "Authorization: Bearer $WANDAPI_KEY" \
  -H "content-type: application/json" \
  -d '{
    "model": "gpt-5.6-terra",
    "input": "Explain prompt caching in one sentence",
    "max_output_tokens": 1024
  }'

OpenAI model capabilities

Exactly as flagged in the catalog.

CapabilityText Embedding 3 SmallText Embedding 3 LargeGPT-5.6 TerraGPT-5.6 SolGPT Image 2
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 WandAPI?

OpenAI models cost 0.012–4.8 Credits / M input tokens, with 1 Credit = ¥1; the cheapest is Text Embedding 3 Small. That is up to 0% below list price — see the table above.

How do I call GPT models on WandAPI with the official SDK?

Point the base URL at https://api.wandapi.com and use a WandAPI key. 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. WandAPI 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.

Get an API Key