Fireworks AI vs Modal

Fireworks AI and Modal are both AI Infrastructure & Deployment tools (Model APIs). Below: what each costs, what it does well, its biggest catches, and who should pick which, all from public sources rather than our own testing.

Side by side

Fireworks AIModal
CategoryAI Model Deployment · LLM DeploymentAI Model Deployment · Serverless Deployment
PricingServerless per token (varies by model). Dedicated: H100/H200 $8/hr, B200 $13/hr. (checked Oct 11, 2026)Starter: free with $30/mo credits. Pay per second (e.g. A100 80GB $2.50/hr, H100 $3.95/hr). (checked Oct 11, 2026)
Pros
  • Fast serverless inference for open models, billed per token
  • Cached input is about 50% off and batch jobs cost half
  • Dedicated GPUs per second with no startup charge
  • Python-first serverless GPUs that scale to zero, billed per second
  • Free Starter plan includes $30 of compute a month
  • Workspace budgets cap spend
Catches
  • Prepaid, usage-based billing needs monitoring
  • Dedicated H100s at $8/hr cost more than raw GPU rentals
  • Developer-only, with no consumer app
  • Per-hour GPU rates (H100 $3.95/hr) are above bare-metal rentals
  • Cold starts matter for latency-sensitive apps
  • Egress beyond 1 TiB is billed
Best forTeams serving open-source or fine-tuned models in production.Python teams running bursty ML jobs.
Skip it ifYou just want a chatbot subscription.You run GPUs 24/7. Reserved rentals are cheaper.

Which should you pick?

Pick Fireworks AI if…

you fit this: teams serving open-source or fine-tuned models in production.

But not if: you just want a chatbot subscription.

Watch out for: Prepaid, usage-based billing needs monitoring.

Pick Modal if…

you fit this: python teams running bursty ML jobs.

But not if: you run GPUs 24/7. Reserved rentals are cheaper.

Watch out for: Per-hour GPU rates (H100 $3.95/hr) are above bare-metal rentals.

More options

Sources

Fireworks AI

Modal

Pros, catches and prices are compiled from public sources (official pricing and docs pages, published reviews, user reports), not hands-on testing. Prices change often, so check the vendor page before you buy.