BazaarLinkBazaarLink
Sign in

GPT 5.5 API Pricing & Quick Start

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

Intelligence#97 / 573
35
Artificial Analysis Intelligence Index
Speed#166 / 586
0.0
Output tokens per second (median)
Input Price#454 / 586
$5.00NT$ 162
USD / 1M tokens
Output Price#490 / 586
$30.00NT$ 972
USD / 1M tokens
First-token latency#1 / 586
0.00s
Time to first token (AA median)
ProviderOpenAI
ReleasedApril 2026
Model IDopenai/gpt-5.5

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$5.00NT$ 162
Output$30.00NT$ 972
Cache read$0.50NT$ 16
Cache write
3:1 blended (est.)$11.25NT$ 364
All prices per 1M tokens. Supports TWD credit card / official invoice.

Market reference Artificial Analysis

Input$1.25
Output$10.00
Cache readAA not tracked
Cache writeAA not tracked
3:1 blended$3.44
Our price differs from AA reference by ~300%.
Source: artificialanalysis.ai

Independent benchmarks

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

Intelligence 35
Coding 38
Math 94
MMLU 87
GPQA 85
This modelCategory leader
Coding ability
#96out of 198 models
LiveCodeBench / SciCode and similar
Overall intelligence
#97out of 573 models
Aggregated across academic benchmarks
Math reasoning
#12out of 269 models
AIME / MATH-500 / SciCode
Time to first token
🥇
#1out of 586 models
AA 全球 p50:0.00 秒
Intelligence
35
Top 17%
This model
35
Category leader
61
Median
15
Coding
38
Mid-tier
This model
38
Category leader
78
Median
37
Math
94
Top 4%
This model
94
Category leader
99
Median
53
MMLU Pro
87%
This model
87%
Category leader
90%
Median
75%
GPQA
85%
This model
85%
Category leader
94%
Median
69%
LiveCodeBench
85%
This model
85%
Category leader
42%
Median
42%
HLE
27%
This model
27%
Category leader
53%
Median
7%
SciCode
43%
This model
43%
Category leader
60%
Median
33%
IFBench
73%
This model
73%
Category leader
83%
Median
44%
τ²-Bench Telecom
85%
This model
85%
Category leader
99%
Median
46%
AA-LCR
76%
This model
76%
Category leader
76%
Median
40%
Terminal-Bench Hard
33%
This model
33%
Category leader
66%
Median
14%

Top 5 — CodingCoding Index leaderboard

1GPT-5.6 Sol (xhigh)openai/gpt-5-6-sol-xhigh78$5 / $30
4GPT-5.6 Sol (high)openai/gpt-5-6-sol-high77$5 / $30
5Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)anthropic/claude-opus-5-xhigh77$5 / $25
AASource: Artificial Analysis · Independent third-party evaluation; not influenced by BazaarLinkView full evaluation on AA →

Quick Start

Use GPT 5.5 via BazaarLink API — just change the base_url:

Python
from openai import OpenAI

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

response = client.chat.completions.create(
    model="openai/gpt-5.5",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
TypeScript
import OpenAI from "openai";

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

const response = await client.chat.completions.create({
  model: "openai/gpt-5.5",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use GPT 5.5 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 5.5?

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

How much does the GPT 5.5 API cost?

GPT 5.5 costs $5.0000 per 1M input tokens and $30.0000 per 1M output tokens when accessed through BazaarLink.

How do I use GPT 5.5 with the OpenAI SDK?

Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "openai/gpt-5.5". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for GPT 5.5?

GPT 5.5 supports a context window of 1,050,000 tokens.

Is GPT 5.5 available for free?

GPT 5.5 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
4,976 runs
Independent hosts
1,662
Model-family fingerprint match
91%
Anomalies detected
4392 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 →

Related models and links

More from this provider: OpenAI

GPT 5.3 CodexGPT 3.5 Turbo InstructGPT 5.4 NanoGPT 5 CodexText Embedding Ada 002GPT 5.2 Codex
ModelsAPI documentationAPI latency probe
Support
Support
Hi! How can we help you?
Send a message and we'll get back to you soon.