Anthropic vs OpenAI Pricing Comparison
Full API pricing breakdown, model lineups, and category coverage.
Anthropic
Details →Total Models
17
Avg Input
$6.517647/1M
Avg Output
$32.588235/1M
Cheapest Model
Claude 3.5 Haiku
Most Expensive
Claude 3 Opus
Price Range
$4.80 -$90.00
OpenAI
Details →Total Models
36
Avg Input
$10.158333/1M
Avg Output
$50.581944/1M
Cheapest Model
GPT-5 nano
Most Expensive
o1 Pro
Price Range
$0.45 -$750.00
Decision Guide: Which Provider Should You Choose?
If your priority is pure token cost, Anthropic has the lower average combined input + output rate in this comparison at about $39.105882/1M.
Choose Anthropic when...
- you want lower average token pricing.
- you want Anthropic's lowest-cost model (Claude 3.5 Haiku) for budget-sensitive traffic.
- your workload fits Anthropic's stronger coverage in balanced.
Tradeoff: OpenAI has premium models that may offer broader capabilities.
Choose OpenAI when...
- you want model flexibility over lowest average price.
- you want OpenAI's lowest-cost model (GPT-5 nano) for budget-sensitive traffic.
- your workload fits OpenAI's stronger coverage in flagship, reasoning, efficient.
Tradeoff: OpenAI is pricier on average than Anthropic.
Coverage snapshot: Anthropic supports 3/4 major categories and OpenAI supports 4/4.
Category Breakdown
| Provider | flagship | reasoning | balanced | efficient |
|---|---|---|---|---|
| Anthropic | 10 | 0 | 4 | 2 |
| OpenAI | 13 | 12 | 1 | 9 |
All Models & Pricing
Anthropic
Provider details →| Model | Category | Input | Output | Context |
|---|---|---|---|---|
| Claude 3.5 Haiku | efficient | $0.80/1M | $4.00/1M | 200,000 |
| Claude Haiku 4.5 | efficient | $1.00/1M | $5.00/1M | 200,000 |
| Claude Sonnet 5 | balanced | $2.00/1M | $10.00/1M | 1,000,000 |
| Claude Sonnet 4.6 | balanced | $3.00/1M | $15.00/1M | 1,000,000 |
| Claude Sonnet 4.5 | balanced | $3.00/1M | $15.00/1M | 200,000 |
| Claude Sonnet 4 | standard | $3.00/1M | $15.00/1M | 200,000 |
| Claude 3.5 Sonnet | balanced | $3.00/1M | $15.00/1M | 200,000 |
| Claude Opus 5 | flagship | $5.00/1M | $25.00/1M | 1,000,000 |
| Claude Opus 4.7 | flagship | $5.00/1M | $25.00/1M | 1,000,000 |
| Claude Opus 4.6 | flagship | $5.00/1M | $25.00/1M | 1,000,000 |
| Claude Opus 4.5 | flagship | $5.00/1M | $25.00/1M | 200,000 |
| Claude Fable 5.1 | flagship | $10.00/1M | $50.00/1M | 1,000,000 |
| Claude Mythos 5.1 | flagship | $10.00/1M | $50.00/1M | 1,000,000 |
| Claude Fable 5 | flagship | $10.00/1M | $50.00/1M | 1,000,000 |
| Claude Opus 4 | flagship | $15.00/1M | $75.00/1M | 200,000 |
| Claude Opus 4.1 | flagship | $15.00/1M | $75.00/1M | 200,000 |
| Claude 3 Opus | flagship | $15.00/1M | $75.00/1M | 200,000 |
OpenAI
Provider details →| Model | Category | Input | Output | Context |
|---|---|---|---|---|
| GPT-5 nano | efficient | $0.05/1M | $0.40/1M | 128,000 |
| GPT-4.1 nano | efficient | $0.10/1M | $0.40/1M | 128,000 |
| GPT-4o mini | efficient | $0.15/1M | $0.60/1M | 128,000 |
| GPT-5.4 nano | efficient | $0.20/1M | $1.25/1M | 128,000 |
| GPT-4.1 mini | efficient | $0.40/1M | $1.60/1M | 200,000 |
| GPT-5 mini | efficient | $0.25/1M | $2.00/1M | 500,000 |
| GPT-5.4 mini | efficient | $0.75/1M | $4.50/1M | 1,050,000 |
| o4-mini | reasoning | $1.10/1M | $4.40/1M | 2,000,000 |
| o3-mini | reasoning | $1.10/1M | $4.40/1M | 500,000 |
| o1-mini | reasoning | $1.10/1M | $4.40/1M | 128,000 |
| GPT-5.6 Luna | efficient | $1.00/1M | $6.00/1M | 1,050,000 |
| Codex Mini | efficient | $1.50/1M | $6.00/1M | 200,000 |
| o4-mini Deep Research | reasoning | $2.00/1M | $8.00/1M | 200,000 |
| GPT-4.1 | flagship | $2.00/1M | $8.00/1M | 200,000 |
| o3 | reasoning | $2.00/1M | $8.00/1M | 1,000,000 |
| GPT-5.1 | flagship | $1.25/1M | $10.00/1M | 1,000,000 |
| GPT-5 | flagship | $1.25/1M | $10.00/1M | 1,000,000 |
| GPT-4o | flagship | $2.50/1M | $10.00/1M | 128,000 |
| GPT-5.2 | flagship | $1.75/1M | $14.00/1M | 1,000,000 |
| GPT-5.3 Codex | coding | $1.75/1M | $14.00/1M | 256,000 |
| GPT-5.6 Terra | balanced | $2.50/1M | $15.00/1M | 1,050,000 |
| GPT-5.4 | flagship | $2.50/1M | $15.00/1M | 1,050,000 |
| GPT-5.6 Sol | flagship | $5.00/1M | $30.00/1M | 1,050,000 |
| GPT-5.5 | flagship | $5.00/1M | $30.00/1M | 1,050,000 |
| GPT-5.5 Instant | flagship | $5.00/1M | $30.00/1M | 1,050,000 |
| GPT-4 Turbo | flagship | $10.00/1M | $30.00/1M | 128,000 |
| o3 Deep Research | reasoning | $10.00/1M | $40.00/1M | 200,000 |
| GPT-6 Astra | flagship | $10.00/1M | $50.00/1M | 1,050,000 |
| o1 | reasoning | $15.00/1M | $60.00/1M | 200,000 |
| GPT-5.6 Cyber | reasoning | $12.50/1M | $75.00/1M | 400,000 |
| o3-pro | reasoning | $20.00/1M | $80.00/1M | 1,000,000 |
| GPT-5 Pro | flagship | $15.00/1M | $120.00/1M | 200,000 |
| GPT-5.2 pro | reasoning | $21.00/1M | $168.00/1M | 1,000,000 |
| GPT-5.5 Pro | reasoning | $30.00/1M | $180.00/1M | 1,050,000 |
| GPT-5.4 Pro | reasoning | $30.00/1M | $180.00/1M | 1,050,000 |
| o1 Pro | flagship | $150.00/1M | $600.00/1M | 200,000 |
Cross-Provider Model Matchups
Browse all model comparisons →OpenAI vs Anthropic
GPT-6 Astra vs Claude Fable 5.1
flagship · flagship
OpenAI vs Anthropic
GPT-6 Astra vs Claude Mythos 5.1
flagship · flagship
OpenAI vs Anthropic
GPT-6 Astra vs Claude Opus 5
flagship · flagship
OpenAI vs Anthropic
GPT-6 Astra vs Claude Fable 5
flagship · flagship
OpenAI vs Anthropic
GPT-6 Astra vs Claude Opus 4.7
flagship · flagship
OpenAI vs Anthropic
GPT-6 Astra vs Claude Opus 4.6
flagship · flagship
OpenAI vs Anthropic
GPT-6 Astra vs Claude Sonnet 5
flagship · balanced
OpenAI vs Anthropic
GPT-6 Astra vs Claude Sonnet 4.6
flagship · balanced
OpenAI vs Anthropic
GPT-6 Astra vs Claude Sonnet 4.5
flagship · balanced
OpenAI vs Anthropic
GPT-6 Astra vs Claude Opus 4
flagship · flagship
OpenAI vs Anthropic
GPT-6 Astra vs Claude Sonnet 4
flagship · standard
OpenAI vs Anthropic
GPT-6 Astra vs Claude Opus 4.1
flagship · flagship
Showing 12 of 612 matchups between Anthropic and OpenAI.
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Sign Up for OpenAI →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.