Claude vs ChatGPT — API Pricing Comparison
Compare all Claude and ChatGPT models side by side. Interactive calculator shows exact costs for your usage pattern.
Pricing data verified: May 14, 2026
All Models Compared
Every Claude and ChatGPT model, ranked by input price.
| Model | Provider | Tier | Input (per 1M) | Output (per 1M) | Context |
|---|---|---|---|---|---|
| GPT-4o mini | OpenAI | Budget | $0.15 | $0.60 | 128K |
| GPT-5 mini | OpenAI | Budget | $0.25 | $2.00 | 272K |
| Claude Haiku 4.5 | Anthropic | Budget | $1.00 | $5.00 | 200K |
| GPT-5 | OpenAI | Premium | $1.25 | $10.00 | 272K |
| GPT-4o | OpenAI | Mid | $2.50 | $10.00 | 128K |
| Claude Sonnet 4 | Anthropic | Mid | $3.00 | $15.00 | 200K |
| Claude Sonnet 4.6 | Anthropic | Mid | $3.00 | $15.00 | 1M |
| Claude Opus 4.7 | Anthropic | Premium | $5.00 | $25.00 | 1M |
| GPT-5.5 | OpenAI | Premium | $5.00 | $30.00 | 1M |
| Claude 4 Opus | Anthropic | Premium | $15.00 | $75.00 | 200K |
Calculate Your Exact Costs
Pick your Claude and ChatGPT models, enter your usage, see the comparison.
Which Should You Choose?
Chatbot / Customer Support
High volume, short responses. Cost per message matters most. Budget models handle most customer queries well.
Code Generation
Complex reasoning, longer outputs. Quality and accuracy matter. Both providers excel here.
Long Document Analysis
Processing large documents, legal contracts, or codebases. Context window is critical.
Complex Reasoning / Research
Multi-step reasoning, nuanced analysis, creative tasks. Quality is the priority.
High-Volume Data Processing
Classification, extraction, summarization at scale. Budget is tight, volume is high.
Multi-Model Pipeline
Route tasks to the best model for each job. Simple tasks to budget, complex to premium.
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Frequently Asked Questions
Is Claude or ChatGPT cheaper for API usage?
ChatGPT (OpenAI) is generally cheaper across comparable tiers. GPT-4o mini ($0.15/$0.60 per 1M tokens) is cheaper than Claude Haiku 4.5 ($1/$5). GPT-5 ($1.25/$10) is cheaper than Claude Sonnet 4 ($3/$15) on both input (58% less) and output (33% less). However, Claude models offer larger context windows — Claude Sonnet 4.6 and Opus 4.7 both support 1M tokens vs GPT-5's 272K.
What is the cheapest Claude model vs the cheapest ChatGPT model?
The cheapest Claude model is Claude Haiku 4.5 at $1/$5 per 1M tokens (input/output). The cheapest ChatGPT model is GPT-4o mini at $0.15/$0.60 per 1M tokens. GPT-4o mini is 85% cheaper on input and 88% cheaper on output. For budget-conscious developers processing high volumes, GPT-4o mini offers significantly better value.
Which has a bigger context window: Claude or ChatGPT?
Claude wins on context windows. Claude Opus 4.7 and Claude Sonnet 4.6 both support 1M tokens. ChatGPT's largest context window is GPT-5 at 272K tokens, and GPT-5.5 at 1M tokens. For tasks requiring very long context (document analysis, large codebases), Claude's mid-tier models (Sonnet 4.6 at 1M) are more cost-effective than GPT-5.5 Pro ($30/$180) for equivalent context capacity.
Claude Sonnet 4 vs GPT-5: which should I choose?
GPT-5 is cheaper ($1.25/$10 vs $3/$15) and has a larger context window (272K vs 200K). Claude Sonnet 4 excels at instruction following and detailed analysis. For cost-sensitive workloads, GPT-5 is the better value. For tasks requiring careful reasoning or specific Claude capabilities, the 40% price premium may be justified.
Can I use both Claude and ChatGPT in the same application?
Yes, many developers use a multi-model strategy: route simple tasks to cheap models (GPT-4o mini or Claude Haiku), complex reasoning to premium models (GPT-5 or Claude Sonnet 4), and long-context tasks to models with large windows (Claude Sonnet 4.6 or Gemini Flash). This approach typically reduces costs by 40-60% compared to using a single premium model for everything.