GPT-6.1 Terra vs GPT-Image-2.5 Flare

GPT-6.1 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 SoleAPI default channel price. Input costs 3 Credits / M for GPT-6.1 Terra and 17.5 Credits / M for GPT-Image-2.5 Flare, so GPT-6.1 Terra is 83% cheaper.

GPT-6.1 Terragpt-6.1-terra
OpenAI
Input (prompt)
3Credits / M
≈ $0.455
Output (completion)
15Credits / M
≈ $2.28
1.05M context · 128K output54% off
GPT-6.1 Terra details
GPT-Image-2.5 Flaregpt-image-2.5-flare
OpenAI
Input (prompt)
17.5Credits / M
≈ $2.66
Output (completion)
—Credits / M
— context · — output47% off
GPT-Image-2.5 Flare details
Lower input price
GPT-6.1 Terra
83% cheaper
More exclusive capabilities
GPT-6.1 Terra
Function Calling, Reasoning, Response Schema

Specs side by side

Item
GPT-6.1 Terragpt-6.1-terra
GPT-Image-2.5 Flaregpt-image-2.5-flare
Input (prompt) · Credits / M3≈ $0.45517.5≈ $2.66
Output (completion) · Credits / M15≈ $2.28—
Cache read · Credits / M0.154.38
Context window1.05M—
Max output128K—
7-day uptime——
Latest probe latency——
Measured throughput—31.4 t/s
ProtocolsAnthropic Messages / OpenAI Responses—
Sample monthly cost (10M in + 2M out)60≈ $9.11—

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

Capabilities

CapabilityGPT-6.1 TerraGPT-Image-2.5 Flare
Vision
Prompt Caching
Function Calling
Reasoning
Response Schema
File Input
Streaming
Web Search
Audio
Video
Realtime
Session
Media
Multipart Form
Binary Response

FAQ

Which is cheaper, GPT-6.1 Terra or GPT-Image-2.5 Flare?

At the SoleAPI default channel price, GPT-6.1 Terra input costs 3 Credits / M and GPT-Image-2.5 Flare input costs 17.5 Credits / M, so GPT-6.1 Terra is 83% cheaper. Output and cache prices are in the specs table above.

Can I switch between GPT-6.1 Terra and GPT-Image-2.5 Flare at any time?

Yes. SoleAPI 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-6.1 Terra and GPT-Image-2.5 Flare differ?

Only GPT-6.1 Terra: Function Calling, Reasoning, Response Schema, File Input, Streaming, Web Search. Every other capability is either supported by both or by neither; see the capability table above.

More comparisons

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One API key for both GPT-6.1 Terra and GPT-Image-2.5 Flare

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