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GPT 5.6 Terra API Pricing & Quick Start

20% OFF

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. It is suited for everyday coding, reasoning, and agentic...

Intelligence#26 / 638
42
Artificial Analysis Intelligence Index
Speed#143 / 329
97.3
Output tokens per second (median)
Input Price#338 / 437
$2.00NT$ 63
USD / 1M tokens
Output Price#357 / 437
$12.00NT$ 379
USD / 1M tokens
First-token latency#326 / 329
162.07s
Time to first token (AA median)
ProviderOpenAI
ReleasedJuly 2026
Model IDopenai/gpt-5.6-terra

Technical specifications

Context window
1M tokens
Reasoning
Yes
Input
FileImageText
Output
Text

Pricing comparison

BazaarLink retail price alongside AA's observed market standard.

BazaarLink price our site

Input$2.00NT$ 63
Output$12.00NT$ 379
Cache read$0.20NT$ 6
Cache write$2.50NT$ 79
3:1 blended (est.)$4.50NT$ 142
All prices per 1M tokens. Supports TWD credit card / official invoice.

Market reference Artificial Analysis

Input$2.00
Output$12.00
Cache readAA not tracked
Cache writeAA not tracked
3:1 blended$4.50
✓ Matches market reference — BazaarLink does not mark up.
Source: artificialanalysis.ai

Independent benchmarks

Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.

Intelligence 42
Coding 77
Math
MMLU
GPQA 93
This modelCategory leader
Coding ability
#13out of 255 models
LiveCodeBench / SciCode and similar
Overall intelligence
#26out of 638 models
Aggregated across academic benchmarks
Time to first token
#326out of 329 models
AA 全球 p50:162.07 秒
Intelligence
42
Top 4%
This model
42
Category leader
53
Median
12
Coding
77
Top 5%
This model
77
Category leader
82
Median
45
GPQA
93%
This model
93%
Category leader
94%
Median
69%
HLE
42%
This model
42%
Category leader
53%
Median
7%
SciCode
54%
This model
54%
Category leader
60%
Median
34%
IFBench
71%
This model
71%
Category leader
83%
Median
44%
τ²-Bench Telecom
86%
This model
86%
Category leader
99%
Median
46%
AA-LCR
74%
This model
74%
Category leader
76%
Median
40%
Terminal-Bench Hard
58%
This model
58%
Category leader
66%
Median
14%

Top 5 — CodingCoding Index leaderboard

2Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)?/claude-fable-5-1-xhigh81$10 / $50
3Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)?/claude-fable-5-1-high79$10 / $50
4GPT-5.6 Sol (xhigh)openai/gpt-5-6-sol-xhigh78$4 / $20
AASource: Artificial Analysis · Independent third-party evaluation; not influenced by BazaarLinkView full evaluation on AA →

Quick Start

Use GPT 5.6 Terra via BazaarLink API — just change the base_url:

Python
from openai import OpenAI

client = OpenAI(
    base_url="https://api.bazaarlink.ai/v1",
    api_key="sk-bl-YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="openai/gpt-5.6-terra",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
TypeScript
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.bazaarlink.ai/v1",
  apiKey: "sk-bl-YOUR_API_KEY",
});

const response = await client.chat.completions.create({
  model: "openai/gpt-5.6-terra",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use GPT 5.6 Terra via BazaarLink?

  • USD billing (TWD-quoted) + unified invoices — no foreign credit card needed for Taiwan teams
  • OpenAI-compatible API — zero code changes required
  • Automatic failover — multi-provider redundancy for the same model
  • Chinese-language support — local team, instant help
Try Now← All Models

Frequently Asked Questions

What is 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. It is suited for everyday coding, reasoning, and agentic...

How much does the GPT 5.6 Terra API cost?

GPT 5.6 Terra costs $2.00 per 1M input tokens and $12.00 per 1M output tokens when accessed through BazaarLink.

How do I use GPT 5.6 Terra with the OpenAI SDK?

Set base_url to "https://api.bazaarlink.ai/v1" and use model ID "openai/gpt-5.6-terra". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for GPT 5.6 Terra?

GPT 5.6 Terra supports a context window of 1,050,000 tokens.

Is GPT 5.6 Terra available for free?

GPT 5.6 Terra is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.

Relay integrity checks

Tested endpoints
2,868 runs
Independent hosts
1,017
Model-family fingerprint match
0%
Anomalies detected
2656 runs
Data range
past 90 days

BazaarLink Probe verifies endpoints that claim to serve this model and flags behavior that differs from the reference baseline.

View the full integrity report →

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