What is GPT 5.6 Terra?

GPT 5.6 Terra is OpenAI's balanced GPT-5.6 model for everyday work across reasoning, coding, and assistant workflows.

What is the context length of GPT 5.6 Terra?

GPT 5.6 Terra has a recorded input context length of 1,050,000 tokens.

What providers serve GPT 5.6 Terra, and can I use it via API?

GPT 5.6 Terra is available through the Phaseo API, with 6 active providers currently recorded. Recorded providers include Abacus, Amazon Bedrock, AtlasCloud, Azure, CrossModel, DigitalOcean, FastRouter, and GMICloud and 14 more.

Does GPT 5.6 Terra support tool calling?

Yes. At least one active provider route for GPT 5.6 Terra currently advertises tool calling support. Provider support can vary, so requests are routed only to compatible routes.

Does GPT 5.6 Terra support structured outputs?

Yes. At least one active provider route for GPT 5.6 Terra currently advertises structured outputs support. Provider support can vary, so requests are routed only to compatible routes.

GPT 5.6 Terra API Pricing — Compare 22 Providers

Name: OpenAI GPT 5.6 Terra
Creator: OpenAI

Providers

API providers, route pricing, availability, and recent reliability signals.

Performance

Latency, throughput, and reliability signals from recent traffic.

Pricing

Effective prices over the last 30 days, with current provider list prices for context.

Benchmarks

Activity

Daily gateway activity over the last 30 days, with current UTC-day pace projection.

Apps Using This Model

Public apps observed in gateway usage for this model.

Model Uptime

Uptime trend for this model over the last 24 hours.

About

Key dates, capabilities, and model metadata.

Subscriptions

Commercial plans and bundled access that currently include this model.

GPT 5.6 Terra API Pricing — Compare 22 Providers | Phaseo

Providers

API providers, route pricing, availability, and recent reliability signals.


OpenAI(Standard)	$2	$12	$0.2	--	--	--

Azure	$2	$12	$0.2	--	--	--

OpenAI (EU)(Standard)	$2.2	$13.2	$0.22	--	--	--

Amazon Bedrock(Standard)	$2.5	$15	$0.25	--	--	--

Venice	$2.5	$15	$0.25	--	--	--

AtlasCloud	$2.5	$22.5	$0.5	--	--	--

DigitalOcean	$2	$12	$0.2	--	--	--

GMICloud	--	--	--	--	--	--

Performance

Hourly latency and throughput from the past seven days.

No gateway telemetry in the past 7 days

Hourly charts will appear when this model processes gateway traffic in the selected location.

Pricing

Weighted provider pricing over the last 30 days, with recent route pricing history below.

Effective pricing

Weighted by observed usage over the last 30 days. Every provider with recorded pricing is included.

Weighted input price

Per 1M tokens

Weighted output price

Per 1M tokens

Price history

USD per 1M tokens · 30-day rolling effective prices · exact UTC list changes


OpenAI	--	--	$2	$12	0.0%
Amazon Bedrock	--	--	$2.5	$15	--
AtlasCloud	--	--	$2.5	$22.5	--
Azure	--	--	$2	$12	--
DigitalOcean	--	--	$2	$12	--
GMICloud	--	--	--	--	--
OpenAI (EU)	--	--	$2.2	$13.2	--
Venice	--	--	$2.5	$15	--

Benchmarks

Artificial Analysis

Independent evaluations · Index v4.3

Model configuration

View full leaderboard Source: Artificial Analysis

Activity

Token volume and request traffic for this model over time.

Apps Using This Model

Public apps observed in gateway usage for this model.

Phaseo Chat

phaseo.app

228 tokens

Apps Using This Model

Public apps observed in gateway usage for this model.

Model Uptime

Uptime trend for this model over the last 24 hours.

100.0%

Last 24 hours

No requests observed

Uptime per hour

About

Key dates, capabilities, and model metadata.

Announcement

26 Jun 2026·2 months ago

Release

09 Jul 2026·2 months ago

Deprecation

Not listed

Retirement

Not listed

Parameters

Not listed

License

Proprietary

Training Tokens

Not listed

Input

Not listed

Output

Not listed

Related models

Previous model

GPT 5.5

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Subscriptions

Commercial plans and bundled access that currently include this model.

Openai

model owner

9 plans available

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$200monthly

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Custom Pricing

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4 plans available

From $20 monthly

Perplexity Pro

$20monthly/$200yearly

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$40monthly/$400yearly

Perplexity Max

$200monthly

Perplexity Enterprise Max

$325monthly/$3,250yearly

Cursor

1 plan available

From $120 monthly

Cursor Teams Premium

$120monthly/$1,152yearly

Providers

Performance

Pricing

Benchmarks

Activity

Apps Using This Model

Model Uptime

About

Subscriptions

Providers

Performance

Pricing

Benchmarks

Activity

Apps Using This Model

Model Uptime

About

Subscriptions

OpenAI: GPT 5.6 Terra

Providers

Performance