GPT-5.1 API Price Comparison

Check the official GPT-5.1 API baseline, then compare public quotes from cloud providers and API relays.

Developer: OpenAI
Model ID: gpt-5.1
Context: 400K

Check official baseline

OpenAI · Input $1.25 · Output $10

Official priceChecked Sep 14, 2026

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Find lower quotes · 67 quotes · 67 providers

Check the official baseline first, then compare each quote’s input, output and cached-input price with its price update date. Availability follows published regions, while display currency is conversion only.

AnyAIGC

gpt-5.1-2025-11-13 · Azure-Gpt-1

API Relay

Input / 1M: $0.0731
Output / 1M: $0.5852
Cached input / 1M: $0.0073
Price updated: Oct 15, 2026

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Whale API

gpt-5.1 · 逆向

API Relay

Input / 1M: $0.0744
Output / 1M: $0.5953
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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无限API

gpt-5.1-2025-11-13 · Azure-Gpt-1

API Relay

Input / 1M: $0.0869
Output / 1M: $0.6952
Cached input / 1M: $0.0086
Price updated: Oct 15, 2026

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万量引擎

gpt-5.1-2025-11-13 · Azure-Gpt-1

API Relay

Input / 1M: $0.088
Output / 1M: $0.704
Cached input / 1M: $0.0088
Price updated: Oct 3, 2026

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Ai实验室

gpt-5.1-2025-11-13 · g1

API Relay

Input / 1M: $0.093
Output / 1M: $0.7441
Cached input / 1M: $0.0093
Price updated: Oct 15, 2026

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AI无界

gpt-5.1-2025-11-13 · Azure-Gpt-1

API Relay

Input / 1M: $0.11
Output / 1M: $0.88
Cached input / 1M: $0.011
Price updated: Oct 15, 2026

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Quanzil API

gpt-5.1-2025-11-13 · Azure-Gpt-1

API Relay

Input / 1M: $0.11
Output / 1M: $0.88
Cached input / 1M: $0.011
Price updated: Oct 15, 2026

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PRO AI API

gpt-5.1 · default

API Relay

Input / 1M: $0.1488
Output / 1M: $1.1906
Cached input / 1M: $0.0744
Price updated: Oct 15, 2026

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Galaxy API

gpt-5.1 · Azure-Ⅰ

API Relay

Input / 1M: $0.25
Output / 1M: $2
Cached input / 1M: $0.025
Price updated: Oct 3, 2026

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LinkAPI

gpt-5.1 · Azure · base

API Relay

Input / 1M: $0.3534
Output / 1M: $2.8277
Cached input / 1M: $0.0353
Price updated: Oct 15, 2026

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4SAPI

gpt-5.1 · default

API Relay

Input / 1M: $0.372
Output / 1M: $2.9766
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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TreeRouter

gpt-5.1 · default

API Relay

Input / 1M: $0.375
Output / 1M: $3
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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DataMind AI

gpt-5.1 · 生图

API Relay

Input / 1M: $0.375
Output / 1M: $3
Cached input / 1M: $0
Price updated: Sep 10, 2026

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Aiberm

gpt-5.1 · default

API Relay

Input / 1M: $0.46
Output / 1M: $3.68
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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Run API

gpt-5.1 · default

API Relay

Input / 1M: $0.5
Output / 1M: $4
Cached input / 1M: $0.05
Price updated: Oct 15, 2026

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AIAPI.world

gpt-5.1 · default

API Relay

Input / 1M: $0.6242
Output / 1M: $4.9939
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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KFC V50 API

gpt-5.1-2025-11-13 · az_act05

API Relay

Input / 1M: $0.625
Output / 1M: $5
Cached input / 1M: $0.0625
Price updated: Oct 15, 2026

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乐沃联API

gpt-5.1 · 限时特价

API Relay

Input / 1M: $0.75
Output / 1M: $6
Cached input / 1M: $0.075
Price updated: Oct 15, 2026

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Ai123中转站

gpt-5.1 · 限时特价

API Relay

Input / 1M: $0.75
Output / 1M: $6
Cached input / 1M: $0.075
Price updated: Oct 15, 2026

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AI快站

gpt-5.1 · 限时特价

API Relay

Input / 1M: $0.75
Output / 1M: $6
Cached input / 1M: $0.075
Price updated: Oct 15, 2026

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方舟API

gpt-5.1 · 限时特价

API Relay

Input / 1M: $0.75
Output / 1M: $6
Cached input / 1M: $0.075
Price updated: Oct 15, 2026

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向量引擎

gpt-5.1 · 限时特价

API Relay

Input / 1M: $0.75
Output / 1M: $6
Cached input / 1M: $0.075
Price updated: Oct 15, 2026

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momoAPIPro

gpt-5.1 · 限时特价

API Relay

Input / 1M: $0.75
Output / 1M: $6
Cached input / 1M: $0.075
Price updated: Oct 15, 2026

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AIGC2D

gpt-5.1 · 限时特价

API Relay

Input / 1M: $0.75
Output / 1M: $6
Cached input / 1M: $0.075
Price updated: Oct 15, 2026

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gpt-5.1 · 限时特价

API Relay

Input / 1M: $0.75
Output / 1M: $6
Cached input / 1M: $0.075
Price updated: Oct 15, 2026

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88 API

gpt-5.1 · 限时特价

API Relay

Input / 1M: $0.75
Output / 1M: $6
Cached input / 1M: $0.075
Price updated: Oct 3, 2026

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deepkey.top

gpt-5.1-2025-11-13 · gpt-azure2

API Relay

Input / 1M: $0.875
Output / 1M: $4.375
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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Apilio

gpt-5.1 · vip

API Relay

Input / 1M: $1
Output / 1M: $8
Cached input / 1M: $0.1
Price updated: Oct 3, 2026

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SuperAPI

gpt-5.1 · openai-官key

API Relay

Input / 1M: $1
Output / 1M: $8
Cached input / 1M: $0.1
Price updated: Sep 15, 2026

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KKSJ AI模型中转API

gpt-5.1 · default

API Relay

Input / 1M: $1.125
Output / 1M: $9
Cached input / 1M: $0.1125
Price updated: Oct 15, 2026

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123Api

gpt-5.1 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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钱多多 API Preview

gpt-5.1 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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钱多多 API

gpt-5.1-2025-11-13 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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AIOnly

gpt-5.1 · Azure-Openai · 输入 0K+ 档

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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AIRouterCloud

gpt-5.1 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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AiSKT API

gpt-5.1 · azure1

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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APIYI

gpt-5.1 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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LaoZhang API

gpt-5.1 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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NekoAPI

gpt-5.1-2025-11-13 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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OrcaRouter

openai/gpt-5.1 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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UiUiAPI聚合平台

gpt-5.1 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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帮帮程序员

gpt-5.1 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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JuCodex.com

gpt-5.1 · GPT-官KEY-全模型

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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Novabridge

gpt-5.1 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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CherryIN

openai/gpt-5.1 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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芯算AI

gpt-5.1 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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XycAi Inc

gpt-5.1 · gpt-flow

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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引力AI

gpt-5.1 · deepseek

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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Your API

gpt-5.1 · az-special

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: $0.125
Price updated: Oct 15, 2026

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ZEN-AI

gpt-5.1-2025-11-13 · default

API Relay

Input / 1M: $1.25
Output / 1M: $10
Cached input / 1M: Not published
Price updated: Oct 15, 2026

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Provider	Type	Model ID	Price updated	Input / 1M	Output / 1M	Cached input / 1M
AnyAIGC	API Relay	gpt-5.1-2025-11-13 · Azure-Gpt-1	Oct 15, 2026	$0.0731	$0.5852	$0.0073
Whale API	API Relay	gpt-5.1 · 逆向	Oct 15, 2026	$0.0744	$0.5953	Not published
无限API	API Relay	gpt-5.1-2025-11-13 · Azure-Gpt-1	Oct 15, 2026	$0.0869	$0.6952	$0.0086
万量引擎	API Relay	gpt-5.1-2025-11-13 · Azure-Gpt-1	Oct 3, 2026	$0.088	$0.704	$0.0088
Ai实验室	API Relay	gpt-5.1-2025-11-13 · g1	Oct 15, 2026	$0.093	$0.7441	$0.0093
AI无界	API Relay	gpt-5.1-2025-11-13 · Azure-Gpt-1	Oct 15, 2026	$0.11	$0.88	$0.011
Quanzil API	API Relay	gpt-5.1-2025-11-13 · Azure-Gpt-1	Oct 15, 2026	$0.11	$0.88	$0.011
PRO AI API	API Relay	gpt-5.1 · default	Oct 15, 2026	$0.1488	$1.1906	$0.0744
Galaxy API	API Relay	gpt-5.1 · Azure-Ⅰ	Oct 3, 2026	$0.25	$2	$0.025
LinkAPI	API Relay	gpt-5.1 · Azure · base	Oct 15, 2026	$0.3534	$2.8277	$0.0353
4SAPI	API Relay	gpt-5.1 · default	Oct 15, 2026	$0.372	$2.9766	Not published
TreeRouter	API Relay	gpt-5.1 · default	Oct 15, 2026	$0.375	$3	Not published
DataMind AI	API Relay	gpt-5.1 · 生图	Sep 10, 2026	$0.375	$3	$0
Aiberm	API Relay	gpt-5.1 · default	Oct 15, 2026	$0.46	$3.68	Not published
Run API	API Relay	gpt-5.1 · default	Oct 15, 2026	$0.5	$4	$0.05
AIAPI.world	API Relay	gpt-5.1 · default	Oct 15, 2026	$0.6242	$4.9939	Not published
KFC V50 API	API Relay	gpt-5.1-2025-11-13 · az_act05	Oct 15, 2026	$0.625	$5	$0.0625
乐沃联API	API Relay	gpt-5.1 · 限时特价	Oct 15, 2026	$0.75	$6	$0.075
Ai123中转站	API Relay	gpt-5.1 · 限时特价	Oct 15, 2026	$0.75	$6	$0.075
AI快站	API Relay	gpt-5.1 · 限时特价	Oct 15, 2026	$0.75	$6	$0.075
方舟API	API Relay	gpt-5.1 · 限时特价	Oct 15, 2026	$0.75	$6	$0.075
向量引擎	API Relay	gpt-5.1 · 限时特价	Oct 15, 2026	$0.75	$6	$0.075
momoAPIPro	API Relay	gpt-5.1 · 限时特价	Oct 15, 2026	$0.75	$6	$0.075
AIGC2D	API Relay	gpt-5.1 · 限时特价	Oct 15, 2026	$0.75	$6	$0.075
x	API Relay	gpt-5.1 · 限时特价	Oct 15, 2026	$0.75	$6	$0.075
88 API	API Relay	gpt-5.1 · 限时特价	Oct 3, 2026	$0.75	$6	$0.075
deepkey.top	API Relay	gpt-5.1-2025-11-13 · gpt-azure2	Oct 15, 2026	$0.875	$4.375	Not published
Apilio	API Relay	gpt-5.1 · vip	Oct 3, 2026	$1	$8	$0.1
SuperAPI	API Relay	gpt-5.1 · openai-官key	Sep 15, 2026	$1	$8	$0.1
KKSJ AI模型中转API	API Relay	gpt-5.1 · default	Oct 15, 2026	$1.125	$9	$0.1125
123Api	API Relay	gpt-5.1 · default	Oct 15, 2026	$1.25	$10	Not published
钱多多 API Preview	API Relay	gpt-5.1 · default	Oct 15, 2026	$1.25	$10	$0.125
钱多多 API	API Relay	gpt-5.1-2025-11-13 · default	Oct 15, 2026	$1.25	$10	$0.125
AIOnly	API Relay	gpt-5.1 · Azure-Openai · 输入 0K+ 档	Oct 15, 2026	$1.25	$10	$0.125
AIRouterCloud	API Relay	gpt-5.1 · default	Oct 15, 2026	$1.25	$10	$0.125
AiSKT API	API Relay	gpt-5.1 · azure1	Oct 15, 2026	$1.25	$10	$0.125
APIYI	API Relay	gpt-5.1 · default	Oct 15, 2026	$1.25	$10	$0.125
LaoZhang API	API Relay	gpt-5.1 · default	Oct 15, 2026	$1.25	$10	$0.125
NekoAPI	API Relay	gpt-5.1-2025-11-13 · default	Oct 15, 2026	$1.25	$10	$0.125
OrcaRouter	API Relay	openai/gpt-5.1 · default	Oct 15, 2026	$1.25	$10	$0.125
UiUiAPI聚合平台	API Relay	gpt-5.1 · default	Oct 15, 2026	$1.25	$10	$0.125
帮帮程序员	API Relay	gpt-5.1 · default	Oct 15, 2026	$1.25	$10	Not published
JuCodex.com	API Relay	gpt-5.1 · GPT-官KEY-全模型	Oct 15, 2026	$1.25	$10	$0.125
Novabridge	API Relay	gpt-5.1 · default	Oct 15, 2026	$1.25	$10	Not published
CherryIN	API Relay	openai/gpt-5.1 · default	Oct 15, 2026	$1.25	$10	$0.125
芯算AI	API Relay	gpt-5.1 · default	Oct 15, 2026	$1.25	$10	Not published
XycAi Inc	API Relay	gpt-5.1 · gpt-flow	Oct 15, 2026	$1.25	$10	$0.125
引力AI	API Relay	gpt-5.1 · deepseek	Oct 15, 2026	$1.25	$10	Not published
Your API	API Relay	gpt-5.1 · az-special	Oct 15, 2026	$1.25	$10	$0.125
ZEN-AI	API Relay	gpt-5.1-2025-11-13 · default	Oct 15, 2026	$1.25	$10	Not published