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CometAPI Pricing 2026

Complete pricing guide for CometAPI — rates, costs, and free options.

Pay-per-useFree to start, then pay per use from $4Updated October 31, 2026

💰 CometAPI Pricing Overview

CometAPI uses a pay-per-use pricing model. Charged by usage at the published rates. Current pricing: Pay-per-token with no subscription, published at roughly 20% below official list: Claude Opus 5 $4/1M (list $5), GPT 5.6 $4/1M (list $5), Claude Sonnet 5 $1.6/1M (list $2), Gemini 3.6 Flash $1.2/1M (list $1.5), Nano Banana 2 lite $0.2/1M (list $0.25). Video models priced per second. Free test credits at signup, no card required. CometAPI is an ai agent infrastructure tool known for openai-compatible gateway to 500+ models at roughly 20% below official list prices. You can start using CometAPI without paying, then pay only for what you use at the rates above.

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🔍 Compare Before You Buy

See all 5 alternatives →

Comparing CometAPI to similar tools helps you make the best choice for your budget and needs:

Prizm

Paid

One prepaid API key over Veo, Kling, FLUX and ElevenLabs — prices shown upfront, failed jobs refunded

Free to start, then pay per use from $0.40

Compare with CometAPI →

LLM Gateway

Freemium

Open-source OpenAI-compatible gateway routing one API to 200+ models across 40+ providers

Free plan + paid from $0.01

Compare with CometAPI →

ApiPass

Paid

One API key for 180+ AI models at 30–70% under official pricing, drop-in compatible with existing SDKs

Free to start, then pay per use from $1,250

Compare with CometAPI →

CometAPI Rates & Pricing

Most Popular

Pay-per-token with no subscription, published at roughly 20% below official list: Claude Opus 5

$4

1M (list $5

GPT 5.6

$4

1M (list $5

Claude Sonnet 5

$1.6

1M (list $2

Gemini 3.6 Flash

$1.2

1M (list $1.5

Nano Banana 2 lite

$0.2

1M (list $0.25

Free

$0forever

Test credits at signup, no card required

* Pricing information is based on publicly available data and may not reflect current promotions, annual discounts, or regional pricing. Visit the official CometAPI website for the latest pricing.

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Is CometAPI Free?

✓Yes, you can start using CometAPI for free

Pay-per-token with no subscription, published at roughly 20% below official list: Claude Opus 5 $4/1M (list $5), GPT 5.6 $4/1M (list $5), Claude Sonnet 5 $1.6/1M (list $2), Gemini 3.6 Flash $1.2/1M (list $1.5), Nano Banana 2 lite $0.2/1M (list $0.25). Video models priced per second. Free test credits at signup, no card required.

Check CometAPI pricing at the source

The breakdown above is our summary of CometAPI's published pricing, not a quote. Plans, limits and what each tier includes change without notice — confirm on CometAPI's own pages before you buy.

Official CometAPI site ↗

We do not represent CometAPI and these links are not paid placements.

Is CometAPI Worth It?

CometAPI is a premium ai agent infrastructure tool that offers 6 key features including 500+ models behind one OpenAI-compatible endpoint, Two-line migration from the OpenAI SDK, Text, image, video, audio and PDF modalities. CometAPI is an OpenAI-compatible gateway to more than 500 models across OpenAI, Anthropic, Google and the open-weight ecosystem, reached with one key and one base URL. Migration is a two-line change — point the OpenAI SDK's base_url at api.cometapi.com/v1 and swap the key — which is the whole pitch: no per-vendor SDK, no separate billing relationships, no vendor lock-in when a cheaper or better model appears. The catalogue spans modalities rather than only text, covering text-to-text, image-to-text, PDF-to-text, text-to-image and text-to-video, with per-model unit prices published openly next to each provider's official list price. The published discount is consistent at around 20% below official pricing — Claude Opus 5 at $4 per 1M against a $5 list, GPT 5.6 at $4 against $5, Gemini 3.6 Flash at $1.2 against $1.5, Claude Sonnet 5 at $1.6 against $2, and image and video models priced the same way, some per second rather than per token. The site claims over 10,000 active developers, sub-400ms average response time and 99.9% uptime, and it publishes direct comparisons against OpenRouter, Fal.ai, Replicate, Kie.ai and WaveSpeed rather than pretending competitors do not exist. A pricing calculator and model-versus-model comparison pages help before you commit. Signup includes test credits with no card, and the interface is localised into more than twenty languages — a genuine differentiator against the English-only gateways.

✅ CometAPI is a good choice if you need:

  • •500+ models behind one OpenAI-compatible endpoint
  • •Two-line migration from the OpenAI SDK
  • •Text, image, video, audio and PDF modalities
  • •Per-model prices published against official list prices
  • •Pricing calculator and model comparison pages

💡 Value Assessment

CometAPI charges by usage, so what you spend scales with how much ai agent infrastructure work you put through it. You can try it without paying before committing any money. Compare the rates above against your expected volume.

CometAPI Key Features

CometAPI comes packed with features that make it a strong contender in the ai agent infrastructure space. Here's what you get:

1.
500+ models behind one OpenAI-compatible endpoint

500+ models behind one OpenAI-compatible endpoint helps you work more efficiently with CometAPI.

2.
Two-line migration from the OpenAI SDK

Two-line migration from the OpenAI SDK helps you work more efficiently with CometAPI.

3.
Text, image, video, audio and PDF modalities

Audio and voice features enhance the way you interact with CometAPI.

4.
Per-model prices published against official list prices

Per-model prices published against official list prices helps you work more efficiently with CometAPI.

5.
Pricing calculator and model comparison pages

Pricing calculator and model comparison pages helps you work more efficiently with CometAPI.

6.
Interface localised into 20+ languages

Interface localised into 20+ languages helps you work more efficiently with CometAPI.

CometAPI Alternatives & Their Pricing

Considering alternatives to CometAPI? Here's how competing tools compare on pricing:

Prizm

Paid

One prepaid API key over Veo, Kling, FLUX and ElevenLabs — prices shown upfront, failed jobs refunded

Pricing: Prepaid pay-as-you-go with no subscriptions and no minimums. You load any amount by card into a wallet, and each generation draws its exact listed price from the balance; the vendor states the rate shown is the rate charged, with no markup at checkout, and that funds do not expire. Per-model rates for every video, image and voice model are published on the pricing page, which the vendor describes as below list price, and the worked example given is an 8-second cinematic Veo 3 video at $0.40. Failed generations are automatically refunded to the balance, so only delivered output is billed. Signup is free and a playground is available for evaluation before loading funds. Support is by email at support@prizmkey.com.

LLM Gateway

Freemium

Open-source OpenAI-compatible gateway routing one API to 200+ models across 40+ providers

Pricing: Free is $0 forever with no credit card, giving access to all 200+ models across 40+ providers, 3 rate-limited free models, bring-your-own-keys, prompt caching, budgets and spend controls, auto-routing and vendor selection, and 30 days of activity-log retention. The platform fee is 5% on credit usage. Enterprise is custom-priced with a 30-day trial, full control plus BYOK, custom routing rules, custom free-model limits, unlimited log retention, team management, advanced analytics and admin controls. Data retention is metered separately: metadata is free, full payload storage is $0.01 per 1M tokens.

ApiPass

Paid

One API key for 180+ AI models at 30–70% under official pricing, drop-in compatible with existing SDKs

Pricing: Usage-based credits with no subscription: the published base rate is 275,000 credits for $1,250, roughly $0.004545 per credit, and every model lists its per-run credit cost (for example, Nano Banana 2 text-to-image at 1K resolution is 3 credits, about $0.0136 per run). New accounts get 50 free credits. Billing is per successful call. The headline claim is 30–70% below official developer pricing for the same models.

Orgo

Paid

Cloud desktops for AI agents — full Linux or Windows machines in under 500ms via API

Pricing: Three published monthly tiers, each bundling a small AI credit allowance and sold with monthly capacity add-ons. Hacker is $29 per month for solo builders and personal agents: 1 computer, 8 GB RAM, a 40 GB storage pool, 1 team member, Linux, provided templates, community support, the real-time collaborative canvas and $5 per month of AI credits. Startup is $99 per month for small teams and agencies: 4 computers, 32 GB RAM, a 160 GB storage pool, 5 team members, Linux, priority support and $10 per month of AI credits. Scale is $399 per month for production teams: 16 computers, 128 GB RAM, a 640 GB storage pool, 25 team members, Linux plus Windows, custom templates, advanced support and $50 per month of AI credits. Dedicated capacity and embedded runtime volume are arranged by contacting the vendor.

Manifest

Freemium

Open-source LLM router with self-healing retries that also routes to Claude/ChatGPT subscriptions

Pricing: Free is $0/month: Manifest Cloud or self-hosted with Docker under the MIT licence, unlimited agents, 10,000 routed requests per month on Cloud and unlimited self-hosted, all providers with no restrictions, subscription providers (Claude, ChatGPT, Gemini), 7-day dashboard retention, Autofix, budget alerts and notifications, and community support via Discord. Pro is $19/month on Manifest Cloud and adds unlimited routed requests, 365-day dashboard retention and basic support. Enterprise is quoted by sales and covers on-premise, VPC or private-cloud deployment, multiple seats and team management, SSO/SAML, audit logs, custom retention and a contract.

Ready to try CometAPI?

Visit the official website for the latest pricing and to get started.

Frequently Asked Questions

Is CometAPI free to use?

Yes, you can start using CometAPI without paying. After that it charges by usage, from $4, so you pay only for what you use.

How much does CometAPI cost in 2026?

As of 2026, CometAPI pricing is: Pay-per-token with no subscription, published at roughly 20% below official list: Claude Opus 5 $4/1M (list $5), GPT 5.6 $4/1M (list $5), Claude Sonnet 5 $1.6/1M (list $2), Gemini 3.6 Flash $1.2/1M (list $1.5), Nano Banana 2 lite $0.2/1M (list $0.25). Video models priced per second. Free test credits at signup, no card required. Visit the official CometAPI website for the most current pricing.

What is the lowest CometAPI price?

The lowest listed price is $4, and you can start without paying. See the full rates above.

What are the best alternatives to CometAPI?

Popular alternatives to CometAPI include Prizm, LLM Gateway, ApiPass. Each offers different features and pricing structures. Compare them on AISO Tools to find the best fit for your needs and budget.

Is CometAPI worth the price?

CometAPI offers features like 500+ models behind one OpenAI-compatible endpoint, Two-line migration from the OpenAI SDK, Text, image, video, audio and PDF modalities. Whether it's worth the investment depends on your specific needs, usage volume, and budget. It charges by usage, so cost scales with how much you use it, and you can try it before paying.

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