GPT-5.6 Terra vs gpt-image-2.5-sunburst-c

GPT-5.6 Terra (OpenAI) versus gpt-image-2.5-sunburst-c (OpenAI): API pricing, context window, capabilities and uptime, from the same data as each model page, at the WandAPI default channel price.

GPT-5.6 Terragpt-5.6-terra
OpenAI
Input (prompt)
1.2Credits / M
≈ $0.182
Output (completion)
7.2Credits / M
≈ $1.09
1.05M context · 128K output91% off
GPT-5.6 Terra details
gpt-image-2.5-sunburst-cgpt-image-2.5-sunburst-c
OpenAI
Input (prompt)
—Credits / M
Output (completion)
—Credits / M
— context · — output
gpt-image-2.5-sunburst-c details
More exclusive capabilities
GPT-5.6 Terra
Vision, Function Calling, Reasoning

Specs side by side

Item
GPT-5.6 Terragpt-5.6-terra
gpt-image-2.5-sunburst-cgpt-image-2.5-sunburst-c
Input (prompt) · Credits / M1.2≈ $0.182—
Output (completion) · Credits / M7.2≈ $1.09—
Cache read · Credits / M0.12—
Context window1.05M—
Max output128K—
7-day uptime——
Latest probe latency——
Measured throughput71.5 t/s39.7 t/s
ProtocolsOpenAI Responses—
Sample monthly cost (10M in + 2M out)26.4≈ $4.00—

Prices are the WandAPI default channel price in Credits (1 Credit = ¥1); green marks the better side. Uptime and latency come from WandAPI probes; a dash means the model is not probed yet.

Capabilities

CapabilityGPT-5.6 Terragpt-image-2.5-sunburst-c
Vision
Function Calling
Reasoning
Prompt Caching
Response Schema
Streaming
Audio
Video
File Input
Web Search
Realtime
Session
Media
Multipart Form
Binary Response

FAQ

Can I switch between GPT-5.6 Terra and gpt-image-2.5-sunburst-c at any time?

Yes. WandAPI calls every model with the same API key; switching is just changing the model field in the request, and billing is split per model in one console.

How do the capabilities of GPT-5.6 Terra and gpt-image-2.5-sunburst-c differ?

Only GPT-5.6 Terra: Vision, Function Calling, Reasoning, Prompt Caching, Response Schema, Streaming. Every other capability is either supported by both or by neither; see the capability table above.

More comparisons

One API key for both GPT-5.6 Terra and gpt-image-2.5-sunburst-c

Free credits on sign-up, pay as you go, no monthly fee.

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