OpenAI API vs Cerebras Inference API Pricing (2026)

OpenAI API vs Cerebras Inference API

LLM API Providers pricing comparison · 2026

OpenAI API pricing ranges from $0.02–$270/per million tokens, while Cerebras Inference API ranges from $0.1–$6/per million tokens. These products use different pricing models (Usage-based (pay per token/image/minute) vs Per-seat subscription), so a direct price comparison isn't meaningful — costs depend on usage volume and mix.

LLM API Providers

OpenAI API

$0.02–$270
/per million tokens
3 plans
Full pricing breakdown →
VS
LLM API Providers

Cerebras Inference API

$0.1–$6
/per million tokens
3 plans · Free tier
Full pricing breakdown →

Different Pricing Models

Direct price comparison isn't meaningful here — OpenAI API uses Usage-based (pay per token/image/minute) pricing while Cerebras Inference API uses Per-seat subscription pricing. Your actual cost will depend on usage volume, team size, or both. Here's each product in its native unit.

Usage-based (pay per token/image/minute)

OpenAI API

From $0.02 per 1M cached input tokens
See full OpenAI API pricing →
vs
Per-seat subscription

Cerebras Inference API

$0.1–$6 / per million tokens
See full Cerebras Inference API pricing →

OpenAI API and Cerebras Inference API both operate in the llm api providers category. This page compares their list pricing.

Plan-by-Plan Pricing

Plan OpenAI API Cerebras Inference API
GPT-5.4 mini / nano (Economy) Custom Free /month
GPT-5.4 / GPT-5.4 Pro (Flagship) Custom Custom
Enterprise Custom Custom

Cost at Scale

Total cost of ownership — licenses, implementation, and hidden costs included.

OpenAI API

4 scenarios
$9.00/month
High-Volume Chatbot (nano)
$26.00/month
Production App (GPT-4.1)
$13.00/month
Reasoning Tasks (o3)
See all 4 scenarios →

Cerebras Inference API

4 scenarios
$0/month
Developer Prototyping (Free Tier)
on the Free tier (Developer) plan
$0.60/M
Pay-as-you-go Usage — Llama 3.1 70B (as of Oct 2024)
tokens for Llama 3.1 70B (third-party data, October 2024)
$0/month
Individual Developer — Free Tier Prototyping
See all 4 scenarios →

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

OpenAI API 4 hidden costs

medium
Unpredictable Token Consumption 20-50% of license costs
high
Reasoning Model Cost Cliff 50-200% of license costs
medium
Image Generation Add-On Costs $0.02-$0.19 per image generated
medium
Token Billing Complexity and Unexpected Overages 5-20% of license costs
See all OpenAI API hidden costs →

Cerebras Inference API 4 hidden costs

medium
Opaque Pay-as-you-go Pricing and Rate Limits 5-15% of license costs
low
Access Waitlist Delays 5-10% of license costs
medium
Large Model Support Limitations and Cost Premium 10-25% of license costs
medium
Large Model Memory Constraints 10-30% of license costs
See all Cerebras Inference API hidden costs →

Contract Terms

Term OpenAI API Cerebras Inference API
Auto-renewal
Cancellation
Minimum commitment
Price escalation No published schedule; pricing model is still evolving as the service transitions from free to commercial tiers