GPT-5.6 Terra

gpt-5.6-terra by OpenAI Released July 9, 2026
ReasoningFunction callingStructured outputPrompt cachingWeb searchComputer useImage inputFile inputAudio inputVideo inputEU hostingFree endpointUp to % off
Input from
$2 / 1M
Output from
$12 / 1M
Cached input from
$0.2 / 1M
Context window
1.05M
Endpoints
8
from 4 providers
Regions
Global, Europe, United States

About GPT-5.6 Terra

GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier.

GPT-5.6 Terra is a chat model by OpenAI, available on Eden AI through 8 endpoints from 4 providers, from $2 per million input tokens and $12 per million output tokens, with a context window of up to 1.05M tokens.

Providers and prices

8 endpoints from 4 providers, cheapest first, in USD per million tokens. Every one is called with the same Eden AI key: pin one with its endpoint ID, or let Eden AI route for you. Above 272K tokens: $4 input / $18 output per 1M.

Endpoint
Region
Context
Input / 1M
Output / 1M
Cached / 1M
Supports
Microsoft AzureOfficial−%azure/gpt-5.6-terra
Global
922K
$2$2
$12
$0.2
ReasoningToolsJSONCacheVisionWeb
Databricks (Europe)Official−%databricks/databricks-gpt-5-6-terra@eu
Europe
922K
$2$2
$12
$0.2
ReasoningToolsJSONCacheVisionWeb
DatabricksOfficial−%databricks/databricks-gpt-5-6-terra
Global
922K
$2$2
$12
$0.2
ReasoningToolsJSONCacheVisionWeb
OpenAIOfficial−%openai/gpt-5.6-terra
Global
1.05M
$2$2
$12
$0.2
ReasoningToolsJSONCacheVisionWeb
Amazon Web ServicesOfficial−%amazon/openai.gpt-5.6-terra
Global
1M
$2.2$2.2
$13.2
$0.22
ReasoningToolsJSONCacheVisionWeb
Amazon Web Services (United States)Official−%amazon/openai.gpt-5.6-terra@us
United States
1M
$2.2$2.2
$13.2
$0.22
ReasoningToolsJSONCacheVisionWeb
Microsoft Azure (Europe)Official−%azure/gpt-5.6-terra@eu
Europe
922K
$2.2$2.2
$13.2
$0.22
ReasoningToolsJSONCacheVisionWeb
Microsoft Azure (United States)Official−%azure/gpt-5.6-terra@us
United States
922K
$2.2$2.2
$13.2
$0.22
ReasoningToolsJSONCacheVisionWeb

Performance

Measured on real Eden AI traffic over the last 30 days. Endpoints with too little traffic are not shown.

Fastest first token
1.1 s
OpenAI
Lowest latency
2.1 s
Amazon Web Services
Highest throughput
63.58 tok/s
Microsoft Azure (Europe)
Best availability
100%
Amazon Web Services
Endpoint
First token
Latency p50
Latency p95
Throughput
Availability
Cache hits
Tool errors
JSON errors
Microsoft Azure
1.83 s
3.49 s
22.7 s
57.94 tok/s
99.71%
68.9%
2.09%
1.7%
Databricks (Europe)
2.27 s
3.76 s
31.81 s
40.81 tok/s
100%
73.81%
1.69%
0%
Databricks
1.89 s
3.06 s
23.97 s
35.08 tok/s
99.85%
70.5%
2.97%
0%
OpenAI
1.1 s
4.8 s
24.09 s
55.66 tok/s
99.99%
90.67%
0.05%
0.02%
Amazon Web Services
1.44 s
2.1 s
12.09 s
40.68 tok/s
100%
64%
5.14%
1.74%
Amazon Web Services (United States)
s
s
s
tok/s
%
%
%
%
Microsoft Azure (Europe)
1.96 s
3.59 s
16.55 s
63.58 tok/s
99.72%
67.75%
2.49%
40%
Microsoft Azure (United States)
2.31 s
9.36 s
85.15 s
39.18 tok/s
100%
73.92%
0%
0%

Estimate your monthly cost

Enter your expected volume to compare every endpoint at once.

Call GPT-5.6 Terra with Eden AI

Use the model ID to let Eden AI pick an endpoint, or an endpoint ID from the table above to pin one.

import requests

response = requests.post(
    "https://api.edenai.run/v3/chat/completions",
    headers={"Authorization": "Bearer YOUR_EDENAI_API_KEY"},
    json={
        "model": "",
        "messages": [{"role": "user", "content": "Hello!"}],
    },
)
print(response.json())

Questions about GPT-5.6 Terra

On Eden AI, prices for this model start at $2 per million input tokens and $12 per million output tokens. Prices differ by endpoint; the providers table lists each one. Above 272K tokens: $4 input / $18 output per 1M.

Up to 1.05M tokens, depending on the endpoint.

8 endpoints from 4 providers, available in: Global, Europe, United States. All of them are called with the same Eden AI API key.

Yes. At least one endpoint is hosted in Europe; pin it with its endpoint ID from the providers table to keep requests in the EU.

Over the last 30 days, the fastest first token was 1.1 s (OpenAI) and the highest throughput was 63.58 tokens per second (Microsoft Azure (Europe)).