CometAPI vs SeedRouter (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: CometAPI does not list a price
Free plan
Tie
Neither has one
Higher rating
Tie
3.8 against 3.8
Same job?
Yes
Both are AI Infrastructure & Agent Tooling tools

Side by side

Compared on	CometAPI	SeedRouter
Our rating	3.8	3.8
Starts at	Not listed	$20/mo
Free plan	No	No
Category	AI Infrastructure & Agent Tooling	AI Infrastructure & Agent Tooling
Plans	See pricing	Prepaid balanceTop up from $20 (also $50, $100, $200, $300, $500, $1,000, $2,000)
Key features	Single API key for 500+ models across major AI providers Pay-as-you-go pricing around 20% below providers' list rates One-line model switching without re-authentication Support for text, image, video, and audio generation endpoints No monthly subscription or minimum spend for standard usage	Single API key across image, video, language and audio models OpenAI and Anthropic SDK compatibility for language models Prepaid USD balance with per-request billing Failed requests are not charged Per-model playground, parameters and docs
Pros	Cuts the integration work of managing multiple provider SDKs and keys Pricing undercuts going direct to most individual providers Broad model coverage spans text, image, video, and audio in one API	No monthly minimum or subscription Failed requests cost nothing, per the pricing page Model prices are listed on each model page before integrating
Cons	Founded in January 2025, with a limited track record so far Adds a third-party dependency between a developer and the underlying model provider Discounted pricing depends on CometAPI maintaining provider relationships and margins	Prepaid balance model needs a top-up before any call Third-party routing adds a dependency between the app and the model provider Company details and uptime history are not published on the homepage
Company	CometAPI, founded 2025	SeedRouter

Prices come from each vendor's pricing page, last checked 20260810. Check the vendor before you buy.

FAQ

Questions people ask

Is CometAPI better than SeedRouter?

In our reviews CometAPI scores 3.8 and SeedRouter scores 3.8. The better pick depends on the job. CometAPI: CometAPI routes requests to 500+ AI models from OpenAI, Anthropic, Google, and other providers through a single API key priced below list rate. SeedRouter: One API key for image, video, language and audio models with pay-per-request billing from a prepaid balance, and no charge for failed requests.

Which is cheaper, CometAPI or SeedRouter?

CometAPI: see pricing. SeedRouter: from $20/mo.

Do CometAPI and SeedRouter have free plans?

Neither lists a free plan.

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