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OpenAI

Vendor

OpenAI models

62 models in the reference catalogue, vendor list prices per million tokens. 3 are routable on this deployment today.

Models

62

3 routable here

Cheapest (blended)

$0.06

gpt-oss-20b

Median list price

$3.75

3:1 input to output per 1M tokens

Strongest

GPT-6 Astra

intelligence index 55

Every OpenAI model

Newest first. Prices are the vendor's published rates per million tokens; click a model for the full specification.

ModelReleasedContextInput / 1MOutput / 1MIntelligenceCapabilities
GPT-6 Astraopenai/gpt-6-astraSep 4, 20261.1M$10.0$50.055
reasoning tools
GPT-6 Astra Proopenai/gpt-6-astra-proSep 4, 20261.1M$10.0$50.0-
reasoning tools
GPT-5.6 Luna Proopenai/gpt-5.6-luna-proJul 9, 20261.1M$0.20$1.20-
reasoning tools
GPT-5.6 Lunaopenai/gpt-5.6-lunaJul 9, 20261.1M$0.20$1.2043
reasoning tools
GPT-5.6 Terra Proopenai/gpt-5.6-terra-proJul 9, 20261.1M$2.00$12.0-
reasoning tools
GPT-5.6 Terraopenai/gpt-5.6-terraJul 9, 20261.1M$2.00$12.047
reasoning tools
GPT-5.6 Sol Proopenai/gpt-5.6-sol-proJul 9, 20261.1M$2.00$10.0-
reasoning tools
GPT-5.6 Solopenai/gpt-5.6-solJul 9, 20261.1M$2.00$10.051
reasoning tools
GPT Chat Latestopenai/gpt-chat-latestMay 5, 2026400K$5.00$30.0-
tools
OpenAI GPT Mini Latest~openai/gpt-mini-latestApr 27, 2026400K$0.75$4.50-
reasoning tools
OpenAI GPT Latest~openai/gpt-latestApr 27, 20261.1M$2.00$10.0-
reasoning tools
GPT-5.5 Proopenai/gpt-5.5-proApr 24, 20261.1M$30.0$180-
reasoning tools
GPT-5.5openai/gpt-5.5Apr 24, 20261.1M$5.00$30.0-
reasoning tools
GPT-5.4 Image 2openai/gpt-5.4-image-2Apr 21, 2026272K$8.00$15.0-
reasoning
GPT-5.4 Nanoopenai/gpt-5.4-nanoMar 17, 2026400K$0.20$1.25-
reasoning tools
GPT-5.4 Miniopenai/gpt-5.4-miniMar 17, 2026400K$0.75$4.50-
reasoning tools
GPT-5.4 Proopenai/gpt-5.4-proMar 5, 20261.1M$30.0$180-
reasoning tools
GPT-5.4openai/gpt-5.4Mar 5, 20261.1M$2.50$15.0-
reasoning tools
GPT-5.3-Codexopenai/gpt-5.3-codexFeb 24, 2026400K$1.75$14.0-
reasoning tools
GPT Audioopenai/gpt-audioJan 19, 2026128K$2.50$10.0-
tools
GPT Audio Miniopenai/gpt-audio-miniJan 19, 2026128K$0.60$2.40-
tools
GPT-5.2-Codexopenai/gpt-5.2-codexJan 14, 2026400K$1.75$14.0-
reasoning tools
GPT-5.2 Chatopenai/gpt-5.2-chatDec 10, 2025128K$1.75$14.0-
tools
GPT-5.2 Proopenai/gpt-5.2-proDec 10, 2025400K$21.0$168-
reasoning tools
GPT-5.2openai/gpt-5.2Dec 10, 2025400K$1.75$14.0-
reasoning tools
GPT-5.1-Codex-Maxopenai/gpt-5.1-codex-maxDec 4, 2025400K$1.25$10.0-
reasoning tools
GPT-5.1openai/gpt-5.1Nov 13, 2025400K$1.25$10.0-
reasoning tools
GPT-5.1-Codexopenai/gpt-5.1-codexNov 13, 2025400K$1.25$10.0-
reasoning tools
GPT-5.1-Codex-Miniopenai/gpt-5.1-codex-miniNov 13, 2025400K$0.25$2.00-
reasoning tools
gpt-oss-safeguard-20bopenai/gpt-oss-safeguard-20bOct 29, 2025131K$0.07$0.30-
reasoning tools open weights
GPT-5 Image Miniopenai/gpt-5-image-miniOct 16, 2025400K$2.50$2.00-
reasoning
GPT-5 Imageopenai/gpt-5-imageOct 14, 2025400K$10.0$10.0-
reasoning
GPT-5 Proopenai/gpt-5-proOct 6, 2025400K$15.0$120-
reasoning tools
GPT-5openai/gpt-5Aug 7, 2025400K$1.25$10.0-
reasoning tools
GPT-5 Miniopenai/gpt-5-miniAug 7, 2025400K$0.25$2.00-
reasoning tools
GPT-5 Nanoopenai/gpt-5-nanoAug 7, 2025400K$0.05$0.40-
reasoning tools
gpt-oss-120bopenai/gpt-oss-120bAug 5, 2025131K$0.04$0.1716
reasoning tools open weights
gpt-oss-20bopenai/gpt-oss-20bAug 5, 2025131K$0.03$0.13-
reasoning tools open weights
o3 Proopenai/o3-proJun 10, 2025200K$20.0$80.0-
reasoning tools
o4 Mini Highopenai/o4-mini-highApr 16, 2025200K$1.10$4.40-
reasoning tools
o3openai/o3Apr 16, 2025200K$2.00$8.00-
reasoning tools
o4 Miniopenai/o4-miniApr 16, 2025200K$1.10$4.40-
reasoning tools
GPT-4.1openai/gpt-4.1Apr 14, 20251.0M$2.00$8.00-
toolsroutable
GPT-4.1 Miniopenai/gpt-4.1-miniApr 14, 20251.0M$0.40$1.60-
toolsroutable
GPT-4.1 Nanoopenai/gpt-4.1-nanoApr 14, 20251.0M$0.10$0.40-
toolsroutable
o1-proopenai/o1-proMar 19, 2025200K$150$600-
reasoning
o3 Mini Highopenai/o3-mini-highFeb 12, 2025200K$1.10$4.40-
reasoning tools
o3 Miniopenai/o3-miniJan 31, 2025200K$1.10$4.40-
reasoning tools
o1openai/o1Dec 17, 2024200K$15.0$60.0-
reasoning tools
GPT-4o (2024-11-20)openai/gpt-4o-2024-11-20Nov 20, 2024128K$2.50$10.0-
tools
GPT-4o (2024-08-06)openai/gpt-4o-2024-08-06Aug 6, 2024128K$2.50$10.0-
tools
GPT-4o-miniopenai/gpt-4o-miniJul 18, 2024128K$0.15$0.60-
tools
GPT-4o-mini (2024-07-18)openai/gpt-4o-mini-2024-07-18Jul 18, 2024128K$0.15$0.60-
tools
GPT-4oopenai/gpt-4oMay 13, 2024128K$2.50$10.0-
tools
GPT-4o (2024-05-13)openai/gpt-4o-2024-05-13May 13, 2024128K$5.00$15.0-
tools
GPT-4 Turboopenai/gpt-4-turboApr 9, 2024128K$10.0$30.0-
tools
GPT-3.5 Turbo (older v0613)openai/gpt-3.5-turbo-0613Jan 25, 20244K$1.00$2.00-
tools
GPT-4 Turbo Previewopenai/gpt-4-turbo-previewJan 25, 2024128K$10.0$30.0-
tools
GPT-3.5 Turbo Instructopenai/gpt-3.5-turbo-instructSep 28, 20234K$1.50$2.00-
GPT-3.5 Turbo 16kopenai/gpt-3.5-turbo-16kAug 28, 202316K$3.00$4.00-
tools
GPT-3.5 Turboopenai/gpt-3.5-turboMay 28, 202316K$0.50$1.50-
tools
GPT-4openai/gpt-4May 28, 20238K$30.0$60.0-
tools

Frequently asked

What is the cheapest OpenAI model?
gpt-oss-20b at $0.03 per 1M input tokens and $0.13 per 1M output tokens (vendor list price).
Which OpenAI model has the largest context window?
GPT-6 Astra accepts 1.1M tokens of context.
How do I route to OpenAI models with OpenSmartRoute?
Declare a target in targets.yaml with metadata.model set to the catalogue id (for example openai/gpt-6-astra); the router scores it against every other target on cost, quality, latency and your policies for each request.

Route OpenAI with everything else

OpenSmartRoute picks the cheapest model that meets your quality bar per request, so a OpenAI flagship handles hard prompts while small models take the rest. Price a workload or try a routing decision live.