Claude API vs OpenAI API API Pricing (2026) — Per-Token Cost Comparison
Compare / Claude API vs OpenAI API
Shortlist
Team size
25 seats

Claude API vs OpenAI API

LLM API Providers pricing comparison · 2026

Claude API pricing ranges from $0.10–$50/per million tokens, while OpenAI API ranges from $0.10–$180/per million tokens. Both products are similarly priced at comparable tiers.

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Compare
2 products · LLM API Providers
Side-by-side · live
Claude API
As of October 10, 2026, the Claude API costs $0.
verified 16d ago
View pricing →
OpenAI API
As of October 10, 2026, OpenAI API pricing runs from $0.
verified 16d ago
View pricing →
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Usage-based
$10 per 1M tokens
see vendor pricing for volume tiers
Usage-based
$0.1 per 1M tokens
see vendor pricing for volume tiers
REF · 01

Sources & confidence

Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.

Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources 3 sourced facts
2 hidden-cost · Vendr median
Last verified 2w ago
Confidence High confidence
Sources 6 sourced facts
5 hidden-cost · Vendr median
Last verified 2w ago
Confidence High confidence
REF · 02

Plans at a glance

Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.

Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
2 documented
  • Image/Vision Token Overhead
    5-20% of license costs
    1 source
  • Token Costs Scale Dramatically at Production Volume
    $15,000-$50,000
    1 source
4 documented
  • Unpredictable Token Consumption
    20-50% of license costs
    1 source
  • Reasoning Model Cost Cliff
    50-200% of license costs
    2 sources
  • Image Generation Add-On Costs
    $0.02-$0.19 per image generated
    1 source
  • Token Billing Complexity and Unexpected Overages
    5-20% of license costs
    1 source
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
No public ratings yet
Best for
Developers building AI-powered applications on Claude
Watch out
API costs at production scale ($3/$15 per 1M tokens for Sonnet) can reach $15,000+ per two-week period for high-volume workloads
No public ratings yet
Best for
High-volume, cost-sensitive API workloads
Watch out
Flagship model pricing is significantly higher than open-source alternatives at comparable benchmark scores
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
Visit Claude pricing
Discount programs →
Visit OpenAI pricing
Discount programs →
License cost is computed from publicly listed plans (real math, list price × seats). Median annual cost is from Vendr's deal flow when available — see source badges. Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
LLM API Providers

Claude API

$0.10–$50
/per million tokens
2 plans
Full pricing breakdown →
VS
LLM API Providers

OpenAI API

$0.10–$180
/per million tokens
2 plans
Full pricing breakdown →

Claude API and OpenAI API are two leading LLM API providers. This page compares their per-token pricing, available models, and tier structure so you can pick the right backend for your workload — whether you're optimizing for cost per 1M tokens, latency, or model quality.

Plan-by-Plan Pricing

Plan Claude API OpenAI API
API (Pay-as-you-go) Custom Custom
Enterprise Custom Custom

Cost at Scale

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

Claude API

5 scenarios
$2.00/month
Lightweight Chatbot (Haiku 5.5)
$30.00/month
Mid-Scale App (Sonnet 5.5)
$14.00/month
Heavy Reasoning (Opus 5.5)
See all 5 scenarios →

OpenAI API

4 scenarios
$10.00/month
High-Volume Classification (GPT-6 Luna)
$30.00/month
Production App (GPT-6.1 Sol)
$15.00/month
Frontier Tasks (GPT-6 Astra)
See all 4 scenarios →

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

Claude API 2 hidden costs

medium
Image/Vision Token Overhead 5-20% of license costs
high
Token Costs Scale Dramatically at Production Volume $15,000-$50,000
See all Claude API hidden costs →

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 →

Contract Terms

Term Claude API OpenAI API
Auto-renewal — —
Cancellation — —
Minimum commitment — —

Continue researching

Claude API

OpenAI API

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