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Anthropic vs OpenAI Pricing Comparison

Full API pricing breakdown, model lineups, and category coverage.

Anthropic

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Total Models
11
Avg Input
$6.254545/1M
Avg Output
$31.272727/1M
Cheapest Model
Claude 3.5 Haiku
Most Expensive
Claude 3 Opus
Price Range
$4.80 -$90.00
Total Models
28
Avg Input
$10.525/1M
Avg Output
$50.176786/1M
Cheapest Model
GPT-5 nano
Most Expensive
o1 Pro
Price Range
$0.45 -$750.00

Category Breakdown

Providerflagshipreasoningbalancedefficient
Anthropic5032
OpenAI91008

All Models & Pricing

ModelCategoryInputOutputContext
Claude 3.5 Haikuefficient$0.80/1M$4.00/1M200,000
Claude Haiku 4.5efficient$1.00/1M$5.00/1M200,000
Claude Sonnet 4.6balanced$3.00/1M$15.00/1M1,000,000
Claude Sonnet 4.5balanced$3.00/1M$15.00/1M200,000
Claude Sonnet 4standard$3.00/1M$15.00/1M200,000
Claude 3.5 Sonnetbalanced$3.00/1M$15.00/1M200,000
Claude Opus 4.6flagship$5.00/1M$25.00/1M1,000,000
Claude Opus 4.5flagship$5.00/1M$25.00/1M200,000
Claude Opus 4flagship$15.00/1M$75.00/1M200,000
Claude Opus 4.1flagship$15.00/1M$75.00/1M200,000
Claude 3 Opusflagship$15.00/1M$75.00/1M200,000
ModelCategoryInputOutputContext
GPT-5 nanoefficient$0.05/1M$0.40/1M128,000
GPT-4.1 nanoefficient$0.10/1M$0.40/1M128,000
GPT-4o miniefficient$0.15/1M$0.60/1M128,000
GPT-5.4 nanoefficient$0.20/1M$1.25/1M128,000
GPT-4.1 miniefficient$0.40/1M$1.60/1M200,000
GPT-5 miniefficient$0.25/1M$2.00/1M500,000
GPT-5.4 miniefficient$0.75/1M$4.50/1M1,050,000
o4-minireasoning$1.10/1M$4.40/1M2,000,000
o3-minireasoning$1.10/1M$4.40/1M500,000
o1-minireasoning$1.10/1M$4.40/1M128,000
Codex Miniefficient$1.50/1M$6.00/1M200,000
o4-mini Deep Researchreasoning$2.00/1M$8.00/1M200,000
GPT-4.1flagship$2.00/1M$8.00/1M200,000
o3reasoning$2.00/1M$8.00/1M1,000,000
GPT-5.1flagship$1.25/1M$10.00/1M1,000,000
GPT-5flagship$1.25/1M$10.00/1M1,000,000
GPT-4oflagship$2.50/1M$10.00/1M128,000
GPT-5.2flagship$1.75/1M$14.00/1M1,000,000
GPT-5.3 Codexcoding$1.75/1M$14.00/1M256,000
GPT-5.4flagship$2.50/1M$15.00/1M1,050,000
GPT-4 Turboflagship$10.00/1M$30.00/1M128,000
o3 Deep Researchreasoning$10.00/1M$40.00/1M200,000
o1reasoning$15.00/1M$60.00/1M200,000
o3-proreasoning$20.00/1M$80.00/1M1,000,000
GPT-5 Proflagship$15.00/1M$120.00/1M200,000
GPT-5.2 proreasoning$21.00/1M$168.00/1M1,000,000
GPT-5.4 Proreasoning$30.00/1M$180.00/1M1,050,000
o1 Proflagship$150.00/1M$600.00/1M200,000

Cross-Provider Model Matchups

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Showing 12 of 308 matchups between Anthropic and OpenAI.

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Frequently Asked Questions

Which provider is cheaper on average, Anthropic or OpenAI?
On average, Anthropic has lower combined input + output rates. Compare model-specific pricing to match your workload.
What is the cheapest model across Anthropic and OpenAI?
GPT-5 nano (OpenAI) is the lowest-cost option at $0.05 input and $0.40 output per million tokens.
Which model is the most expensive between these providers?
o1 Pro (OpenAI) is the highest-cost model in this comparison at $150.00 input and $600.00 output per million tokens.
Which provider has more models available?
OpenAI offers more models in this dataset.