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OpenAI

Official API

OpenAI makes these models and serves them through its own API, at the reference price every other provider is compared with.

PricingDocsStatus
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Models37
Cheapest for
0 models
Serves
2 model types
Monthly visits—
Models by type

OpenAI's API

ModelInputOutputLowest third-partyContext
GPT-6 Astra$10/1MFrom$50/1M
from $25 at CrazyRouter
$25/1MCrazyRouter-50%—
GPT-6.1 Sol$2/1MFrom$10/1M
from $8 at APIMart
$8/1MAPIMart-20%—
GPT-6 Sol$2/1MFrom$10/1M
from $8 at APIMart
$8/1MAPIMart-20%—
GPT-6 Luna$0.10/1MFrom$0.50/1M
from $0.40 at APIMart
$0.40/1MAPIMart-20%—
GPT-4$30/1MFrom$60/1M$60/1MAI/ML API—
GPT-5$1.25/1MFrom$10/1M
from $8 at APIMart
$8/1MAPIMart-20%—
GPT-5.6 Luna$0.20/1MFrom$1.20/1M
from $0.96 at APIMart
$0.96/1MAPIMart-20%—
GPT-5.6$4/1MFrom$20/1M
from $10 at Boundless
$10/1MBoundless-50%—
GPT-4o (2024-11-20)$2.50/1MFrom$10/1M
from $8 at APIMart
$8/1MAPIMart-20%—
Daybreak Red$12.50/1M$75/1M
from $60 at CometAPI
$60/1MCometAPI-20%—
GPT-3.5-Turbo$0.50/1M$1.50/1M
from $1.20 at APIMart
$1.20/1MAPIMart-20%—
GPT-4 Turbo$10/1MFrom$30/1M$30/1MAI/ML API—
GPT-4.1 mini$0.40/1MFrom$1.60/1M
from $1.28 at APIMart
$1.28/1MAPIMart-20%—
GPT-4.1 nano$0.10/1MFrom$0.40/1M
from $0.32 at APIMart
$0.32/1MAPIMart-20%—
GPT-5 Pro$15/1MFrom$120/1M
from $96 at APIMart
$96/1MAPIMart-20%—
GPT-5.1$1.25/1MFrom$10/1M
from $8 at APIMart
$8/1MAPIMart-20%—
GPT-5.5 CyberOnly here$12.50/1M$75/1M——
GPT-5.5 Pro$30/1MFrom$180/1M
from $144 at CometAPI
$144/1MCometAPI-20%—
GPT-5.6 Terra$2/1MFrom$12/1M
from $9.60 at APIMart
$9.60/1MAPIMart-20%—
O1 Pro$150/1MFrom$600/1M
from $480 at APIMart
$480/1MAPIMart-20%—
O3 Pro$20/1MFrom$80/1M
from $64 at APIMart
$64/1MAPIMart-20%—
O4 Mini$1.10/1MFrom$4.40/1M
from $3.52 at APIMart
$3.52/1MAPIMart-20%—
OpenAI GPT-4.1$2/1MFrom$8/1M
from $6.40 at APIMart
$6.40/1MAPIMart-20%—
OpenAI GPT-4o mini$0.15/1MFrom$0.60/1M
from $0.48 at APIMart
$0.48/1MAPIMart-20%—
OpenAI GPT-5 Mini$0.25/1MFrom$2/1M
from $1.60 at APIMart
$1.60/1MAPIMart-20%—
OpenAI GPT-5 Nano$0.05/1MFrom$0.40/1M
from $0.32 at APIMart
$0.32/1MAPIMart-20%—
OpenAI GPT-5.2$1.75/1MFrom$14/1M
from $11.20 at APIMart
$11.20/1MAPIMart-20%—
OpenAI GPT-5.2 Pro$21/1MFrom$168/1M
from $134.40 at APIMart
$134.40/1MAPIMart-20%—
OpenAI GPT-5.4$2.50/1MFrom$15/1M
from $12 at APIMart
$12/1MAPIMart-20%—
OpenAI GPT-5.4 Mini$0.75/1MFrom$4.50/1M
from $3.60 at APIMart
$3.60/1MAPIMart-20%—
OpenAI GPT-5.4 Nano$0.20/1MFrom$1.25/1M
from $1 at APIMart
$1/1MAPIMart-20%—
OpenAI GPT-5.4 Pro$30/1MFrom$180/1M
from $144 at APIMart
$144/1MAPIMart-20%—
OpenAI GPT-5.5$5/1MFrom$30/1M
from $24 at APIMart
$24/1MAPIMart-20%—
OpenAI o1$15/1MFrom$60/1M
from $48 at APIMart
$48/1MAPIMart-20%—
OpenAI o3$2/1MFrom$8/1M
from $6.40 at APIMart
$6.40/1MAPIMart-20%—
OpenAI o3 mini$1.10/1MFrom$4.40/1M
from $3.52 at APIMart
$3.52/1MAPIMart-20%—
OpenAI omni-moderationFree/1MFree/1M$0.16/1MAPIMart+Infinity%—

OpenAI at a glance

37 models in total: 36 text, 1 moderation. The cheapest is GPT-4.1 nano at $0.40 /1M. GPT-6 Astra has the largest context window, 1.05M tokens. The most searched is GPT-6 Astra, with about 580K Google searches a month. The newest is GPT-6.1 Sol, released Sep 29, 2026.

Cheapest

  1. GPT-4.1 nano$0.40/1M
  2. OpenAI GPT-5 Nano$0.40/1M
  3. GPT-6 Luna$0.50/1M
  4. OpenAI GPT-4o mini$0.60/1M
  5. GPT-5.6 Luna$1.20/1M

Largest context

  1. GPT-6 Astra1.05M
  2. GPT-6.1 Sol1.05M
  3. GPT-6 Sol1.05M
  4. GPT-6 Luna1.05M
  5. GPT-5.6 Luna1.05M

Most searched

  1. GPT-6 Astra580K
  2. GPT-6.1 Sol384K
  3. GPT-6 Sol242K
  4. GPT-6 Luna117K
  5. GPT-443K

Newest

  1. GPT-6.1 SolSep 29, 2026
  2. GPT-6 SolSep 22, 2026
  3. GPT-6 LunaSep 22, 2026
  4. GPT-6 AstraSep 4, 2026
  5. GPT-5.6 LunaJul 9, 2026