What is an AI API relay, and why do I need one?

An AI API relay (also called an API reseller) resells access to large model APIs from providers like OpenAI, Anthropic (Claude), and Google (Gemini). You top up with the relay directly and start calling the API right away, skipping the friction of setting up an official account yourself.

Why are relay prices sometimes cheaper than official?

Not every relay is cheaper than the official price. What matters is the "multiplier" — for example, a 2x multiplier means a $1 official call costs you $2.

Are API relays safe to use?

A legitimate relay's reliability is close to the official API. Test with a small deposit first, spread usage across 2-3 relays as backup, and route sensitive data through the official API directly.

What does "minimum deposit" mean?

The minimum deposit is the smallest amount you can top up in a single transaction — for example, "pay-as-you-go, $10 minimum" means your first top-up has to be at least $10.

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Supported Models

OpenAI, Claude, Gemini, Grok, Chinese LLMs

Payment Methods

Alipay, VISA

Min. Deposit

$0.14

Free Credits

—

Availability

Recently available

Price Level

—

Model Authenticity Check

Not yet covered

Refund Policy

Not yet covered

Invoicing

Not yet covered

Supported Models	OpenAI, Claude, Gemini, Grok, Chinese LLMs
Payment Methods	Alipay, VISA
Min. Deposit	$0.14
Subscription Plans	—
Tags	—
Website	oai2api.com

Oai2api Model Pricing

Pricing note:Prices are converted from CNY list prices at $1 ≈ ¥7; actual cost depends on each relay's top-up exchange rate. Pricing varies widely between groups on the same relay — ultra-cheap groups are often Kiro or reverse-engineered channels with stability and model-authenticity risks.

Model	Group	Channel	Multiplier	Input $/M	Output $/M
claude-haiku-4-5-20251001	claude_kiro	Kiro	×0.2	$0.2	$1
claude-haiku-4-5-20251001	svip	Unlabeled	×1	$1	$5
claude-opus-4-6	claude_kiro	Kiro	×0.2	$1	$5
claude-opus-4-6	svip	Unlabeled	×1	$5	$25
claude-opus-4-7	claude_kiro	Kiro	×0.2	$1	$5
claude-opus-4-7	svip	Unlabeled	×1	$5	$25
claude-opus-4-8	claude_kiro	Kiro	×0.2	$1	$5
claude-opus-4-8	svip	Unlabeled	×1	$5	$25
claude-opus-5	claude_kiro	Kiro	×0.2	$1	$5
claude-opus-5	svip	Unlabeled	×1	$5	$25
claude-sonnet-4-6	claude_kiro	Kiro	×0.2	$0.6	$3
claude-sonnet-4-6	svip	Unlabeled	×1	$3	$15
claude-sonnet-5	claude_kiro	Kiro	×0.2	$15	$15
claude-sonnet-5	svip	Unlabeled	×1	$75	$75
gemini-3.1-flash-lite	gemini	Unlabeled	×0.28	$0.14	$0.42
gemini-3.1-flash-lite	svip	Unlabeled	×1	$0.5	$1.5
gemini-3.6-flash-high	gemini	Unlabeled	×0.28	$0.21	$1.05
gemini-3.6-flash-high	svip	Unlabeled	×1	$0.75	$3.75
gemini-3.7-flash-high	gemini	Unlabeled	×0.28	$0.21	$1.05
gemini-3.7-flash-high	svip	Unlabeled	×1	$0.75	$3.75
gemini-3.8-flash-high	gemini	Unlabeled	×0.28	$0.21	$1.05
gemini-3.8-flash-high	svip	Unlabeled	×1	$0.75	$3.75
gpt-5.6-luna	codex_luna	Code-only	×0.5	$0.1	$0.6
gpt-5.6-sol	codex_pro	Code-only	×0.28	$1.4	$8.4
gpt-5.6-sol	svip	Unlabeled	×1	$5	$30
gpt-6-astra	codex_pro	Code-only	×0.28	$2.8	$14
gpt-6-astra	svip	Unlabeled	×1	$10	$50
grok-4.7	grok_heavy	Unlabeled	×0.15	$0.3	$0.9

claude-haiku-4-5-20251001

claude_kiroKiro

In $0.2/MOut $1/M

Multiplier: ×0.2Visit

svipUnlabeled

In $1/MOut $5/M

Multiplier: ×1Visit

claude-opus-4-6

claude_kiroKiro

In $1/MOut $5/M

Multiplier: ×0.2Visit

svipUnlabeled

In $5/MOut $25/M

Multiplier: ×1Visit

claude-opus-4-7

claude_kiroKiro

In $1/MOut $5/M

Multiplier: ×0.2Visit

svipUnlabeled

In $5/MOut $25/M

Multiplier: ×1Visit

claude-opus-4-8

claude_kiroKiro

In $1/MOut $5/M

Multiplier: ×0.2Visit

svipUnlabeled

In $5/MOut $25/M

Multiplier: ×1Visit

claude-opus-5

claude_kiroKiro

In $1/MOut $5/M

Multiplier: ×0.2Visit

svipUnlabeled

In $5/MOut $25/M

Multiplier: ×1Visit

claude-sonnet-4-6

claude_kiroKiro

In $0.6/MOut $3/M

Multiplier: ×0.2Visit

svipUnlabeled

In $3/MOut $15/M

Multiplier: ×1Visit

claude-sonnet-5

claude_kiroKiro

In $15/MOut $15/M

Multiplier: ×0.2Visit

svipUnlabeled

In $75/MOut $75/M

Multiplier: ×1Visit

gemini-3.1-flash-lite

geminiUnlabeled

In $0.14/MOut $0.42/M

Multiplier: ×0.28Visit

svipUnlabeled

In $0.5/MOut $1.5/M

Multiplier: ×1Visit

gemini-3.6-flash-high

geminiUnlabeled

In $0.21/MOut $1.05/M

Multiplier: ×0.28Visit

svipUnlabeled

In $0.75/MOut $3.75/M

Multiplier: ×1Visit

gemini-3.7-flash-high

geminiUnlabeled

In $0.21/MOut $1.05/M

Multiplier: ×0.28Visit

svipUnlabeled

In $0.75/MOut $3.75/M

Multiplier: ×1Visit

gemini-3.8-flash-high

geminiUnlabeled

In $0.21/MOut $1.05/M

Multiplier: ×0.28Visit

svipUnlabeled

In $0.75/MOut $3.75/M

Multiplier: ×1Visit

gpt-5.6-luna

codex_lunaCode-only

In $0.1/MOut $0.6/M

Multiplier: ×0.5Visit

gpt-5.6-sol

codex_proCode-only

In $1.4/MOut $8.4/M

Multiplier: ×0.28Visit

svipUnlabeled

In $5/MOut $30/M

Multiplier: ×1Visit

gpt-6-astra

codex_proCode-only

In $2.8/MOut $14/M

Multiplier: ×0.28Visit

svipUnlabeled

In $10/MOut $50/M

Multiplier: ×1Visit

grok-4.7

grok_heavyUnlabeled

In $0.3/MOut $0.9/M

Multiplier: ×0.15Visit