OpenAI vs OpenRouter

API prices for the 29 models both providers list, side by side. Prices as of October 25, 2026.

Shared models
29
OpenAI cheaper
0
OpenRouter cheaper
17
Same price
12

OpenAI is cheaper on 0 of the 29 models we can price on both, OpenRouter on 17, and 12 cost the same. OpenRouter is 50% cheaper than OpenAI on the median shared model.

OpenRouter is an aggregator: it routes requests to models hosted by other providers, so a price there may be another provider's rate passed through.

Each side is its lowest listed price for the model. LLMs are compared on input + output price per 1M tokens; image, video and audio models on their per-unit price. Resolution, tier and variant can change the price. Methodology

At a glance

OpenAI OpenRouter
Type ProprietaryAggregator
Models we track 39 206
Free tier Daily complimentary tokens for eligible orgs that opt in to data sharing (up to 1M + 10M tokens/day by model group); positive balance required:free models: 20 requests/min, 50 requests/day (1,000/day after $10 in lifetime credit purchases)
OpenAI-compatible API
Function calling
JSON mode
Vision
Batch API — —
Fine-tuning — —
SOC 2 — —
HIPAA — —
GDPR — —

Prices for models on both

LLM prices are input / output per 1M tokens. The cheaper side is highlighted.

LLMs (29 · OpenAI cheaper on 0, OpenRouter on 17)

Model OpenAI OpenRouter Difference
GPT-4.1
OpenAI
$2.00 / $8.00 $2.00 / $8.00 Same
GPT-4.1 Mini
OpenAI
$0.400 / $1.60 $0.400 / $1.60 Same
GPT-4.1 Nano
OpenAI
$0.100 / $0.400 $0.100 / $0.400 Same
GPT-4o
OpenAI
$2.50 / $10.00 $2.50 / $10.00 Same
GPT-4o Mini
OpenAI
$0.150 / $0.600 $0.150 / $0.600 Same
GPT-5
OpenAI
$1.25 / $10.00 $1.25 / $10.00 Same
GPT-5 Mini
OpenAI
$0.250 / $2.00 $0.125 / $1.00 OpenRouter −50%
GPT-5 Nano
OpenAI
$0.050 / $0.400 $0.025 / $0.200 OpenRouter −50%
GPT-5 Pro
OpenAI
$15.00 / $120.00 $15.00 / $120.00 Same
GPT-5.1
OpenAI
$1.25 / $10.00 $0.625 / $5.00 OpenRouter −50%
GPT-5.2
OpenAI
$1.75 / $14.00 $0.875 / $7.00 OpenRouter −50%
GPT-5.2 Pro
OpenAI
$21.00 / $168.00 $21.00 / $168.00 Same
GPT-5.3 Codex
OpenAI
$1.75 / $14.00 $1.75 / $14.00 Same
GPT-5.4
OpenAI
$2.50 / $15.00 $1.25 / $7.50 OpenRouter −50%
GPT-5.4 Mini
OpenAI
$0.750 / $4.50 $0.375 / $2.25 OpenRouter −50%
GPT-5.4 Nano
OpenAI
$0.200 / $1.25 $0.100 / $0.625 OpenRouter −50%
GPT-5.4 Pro
OpenAI
$30.00 / $180.00 $15.00 / $90.00 OpenRouter −50%
GPT-5.5
OpenAI
$5.00 / $30.00 $2.50 / $15.00 OpenRouter −50%
GPT-5.5 Pro
OpenAI
$30.00 / $180.00 $15.00 / $90.00 OpenRouter −50%
GPT-5.6 Luna
OpenAI
$0.200 / $1.20 $0.100 / $0.600 OpenRouter −50%
GPT-5.6 Sol
OpenAI
$4.00 / $20.00 $2.00 / $10.00 OpenRouter −50%
GPT-5.6 Terra
OpenAI
$2.00 / $12.00 $1.00 / $6.00 OpenRouter −50%
GPT-6 Astra
OpenAI
$10.00 / $50.00 $5.00 / $25.00 OpenRouter −50%
GPT-6 Luna
OpenAI
$0.100 / $0.500 $0.050 / $0.250 OpenRouter −50%
GPT-6 Sol
OpenAI
$2.00 / $10.00 $1.00 / $5.00 OpenRouter −50%
GPT-6.1 Sol
OpenAI
$2.00 / $10.00 $1.00 / $5.00 OpenRouter −50%
o3
OpenAI
$2.00 / $8.00 $2.00 / $8.00 Same
o3 Pro
OpenAI
$20.00 / $80.00 $20.00 / $80.00 Same
o4 Mini
OpenAI
$1.10 / $4.40 $1.10 / $4.40 Same

OpenAI vs OpenRouter FAQ

Is OpenAI cheaper than OpenRouter?

Usually no. OpenAI is cheaper on 0 of the 29 models we can price on both, OpenRouter on 17, and 12 cost the same. OpenRouter is 50% cheaper than OpenAI on the median shared model.

Which has more models, OpenAI or OpenRouter?

We track 39 models on OpenAI and 206 on OpenRouter. 29 are on both, 10 only on OpenAI and 177 only on OpenRouter.

Do OpenAI and OpenRouter have a free tier?

OpenAI: yes (Daily complimentary tokens for eligible orgs that opt in to data sharing (up to 1M + 10M tokens/day by model group); positive balance required). OpenRouter: yes (:free models: 20 requests/min, 50 requests/day (1,000/day after $10 in lifetime credit purchases)).

Which models do both OpenAI and OpenRouter offer?

29 models, including GPT-4.1, GPT-4.1 Mini, GPT-4.1 Nano, GPT-4o, GPT-4o Mini, GPT-5 and more. The full list with both prices is in the table above.

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