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Head to head · 2026

CometAPI vs Respan

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

CometAPI

CometAPI routes requests to 500+ AI models from OpenAI, Anthropic, Google, and other providers through a…

3.8Not listed

Visit CometAPI (opens CometAPI in a new tab)

Respan

One endpoint to 1,000 models, with tracing, evaluation and alerting behind it

4.1Free

Visit Respan (opens Respan in a new tab)

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

    Respan

    Only Respan has one

  • Higher rating

    Respan

    3.8 against 4.1

  • Same job?

    Yes

    Both are AI Infrastructure & Agent Tooling tools

Side by side

Compared onCometAPIRespan
Our rating3.84.1Better
Starts atNot listedFree
Free planNoYesBetter
CategoryAI Infrastructure & Agent ToolingAI Infrastructure & Agent Tooling
PlansSee pricingFree
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 gateway endpoint to 1,000-plus models
  • Automatic fallbacks and response caching
  • Tracing of every call, tool run and agent action
  • Evaluations by LLM judge, deterministic check or human review
  • Cost, latency and token monitoring with alerts
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
  • Automatic fallback keeps an app up through a provider outage
  • Routing, tracing and evaluation in one layer rather than three
  • Free to start
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
  • No published pricing tiers for production volume
  • A gateway adds a hop and a dependency to every request
  • LLM-judge evaluation inherits the judging model's biases
CompanyCometAPI, founded 2025Keywords AI, Inc.

Prices come from each vendor's pricing page, last checked 20260814. Check the vendor before you buy.

FAQ

Questions people ask

Is CometAPI better than Respan?

In our reviews CometAPI scores 3.8 and Respan scores 4.1. 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. Respan: One endpoint to 1,000 models, with tracing, evaluation and alerting behind it.

Which is cheaper, CometAPI or Respan?

CometAPI: see pricing. Respan: free.

Do CometAPI and Respan have free plans?

Only Respan has a free plan.

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