GPT-5.6 Terra vs GPT-Image-2.5 Flare

GPT-5.6 Terra (OpenAI) versus GPT-Image-2.5 Flare (OpenAI): API pricing, context window, capabilities and uptime, from the same data as each model page, at the WandAPI default channel price. Input costs 1.2 Credits / M for GPT-5.6 Terra and 17.5 Credits / M for GPT-Image-2.5 Flare, so GPT-5.6 Terra is 93% cheaper.

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 Flaregpt-image-2.5-flare
OpenAI
Input (prompt)
17.5Credits / M
≈ $2.65
Output (completion)
105Credits / M
≈ $15.92
— context · — output47% off
GPT-Image-2.5 Flare details
Lower input price
GPT-5.6 Terra
93% cheaper
More exclusive capabilities
GPT-5.6 Terra
Function Calling, Reasoning, Response Schema

Specs side by side

Item
GPT-5.6 Terragpt-5.6-terra
GPT-Image-2.5 Flaregpt-image-2.5-flare
Input (prompt) · Credits / M1.2≈ $0.18217.5≈ $2.65
Output (completion) · Credits / M7.2≈ $1.09105≈ $15.92
Cache read · Credits / M0.124.38
Context window1.05M—
Max output128K—
7-day uptime——
Latest probe latency——
Measured throughput52.8 t/s—
ProtocolsOpenAI Responses—
Sample monthly cost (10M in + 2M out)26.4≈ $4.00385≈ $58.38

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 Flare
Vision
Prompt Caching
Function Calling
Reasoning
Response Schema
Streaming
Audio
Video
File Input
Web Search
Realtime
Session
Media
Multipart Form
Binary Response

FAQ

Which is cheaper, GPT-5.6 Terra or GPT-Image-2.5 Flare?

At the WandAPI default channel price, GPT-5.6 Terra input costs 1.2 Credits / M and GPT-Image-2.5 Flare input costs 17.5 Credits / M, so GPT-5.6 Terra is 93% cheaper. Output and cache prices are in the specs table above.

Can I switch between GPT-5.6 Terra and GPT-Image-2.5 Flare 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 Flare differ?

Only GPT-5.6 Terra: Function Calling, Reasoning, 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 Flare

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