Anthropic vs OpenAI
Anthropic (28 models) vs OpenAI (101 models) - compared across composite scores, pricing, capabilities, and context windows.
Anthropic
View all models1.0M max context
OpenAI
View all models4 open source1.1M max context
Head-to-Head: Anthropic vs OpenAI Model Matchups
Capability Comparison
| Capability | Anthropic | OpenAI | Leader |
|---|---|---|---|
Vision | 28/28 | 84/101 | OpenAI |
Reasoning | 27/28 | 73/101 | OpenAI |
Function Calling | 28/28 | 94/101 | OpenAI |
JSON Mode | 25/28 | 99/101 | OpenAI |
Web Search | 28/28 | 81/101 | OpenAI |
Streaming | 28/28 | 99/101 | OpenAI |
Image Output | 0/28 | 4/101 | OpenAI |
Pricing Comparison
| Metric | Anthropic | OpenAI |
|---|---|---|
| Cheapest Input (per 1M tokens) | $0.250 Claude 3 Haiku | $0.018 gpt-oss-20b |
| Cheapest Output (per 1M tokens) | $1.25 | $0.090 |
| Most Expensive Input (per 1M tokens) | $15.00 Claude Opus 4.1 | $150.00 o1-pro |
| Most Expensive Output (per 1M tokens) | $75.00 | $600.00 |
| Free Models | 0 | 0 |
| Max Context Window | 1.0M | 1.1M |
All Anthropic Models (28)
| Model | Score | Input $/M | Output $/M |
|---|---|---|---|
| Claude Fable 5.1 | 96 | $10.00 | $50.00 |
| Claude Fable 5.1 (batch) | 96 | $5.00 | $25.00 |
| Claude Fable 5 | 96 | $10.00 | $50.00 |
| Claude Fable 5 (batch) | 96 | $5.00 | $25.00 |
| Claude Opus 5.5 | 95 | $4.00 | $20.00 |
| Claude Opus 5 | 95 | $5.00 | $25.00 |
| Claude Opus 4.8 | 95 | $5.00 | $25.00 |
| Claude Opus 4.7 | 95 | $5.00 | $25.00 |
| Claude Opus 4.7 (batch) | 95 | $2.50 | $12.50 |
| Claude Opus 4.8 (batch) | 95 | $2.50 | $12.50 |
| Claude Opus 4.6 | 90 | $5.00 | $25.00 |
| Claude Opus 4.6 (batch) | 90 | $2.50 | $12.50 |
| Claude Sonnet 5 | 85 | $2.00 | $10.00 |
| Claude Sonnet 4.6 | 85 | $3.00 | $15.00 |
| Claude Sonnet 4.6 (batch) | 85 | $1.50 | $7.50 |
| Claude Opus 4.5 | 85 | $5.00 | $25.00 |
| Claude Opus 4.5 (batch) | 85 | $2.50 | $12.50 |
| Claude Sonnet 4.5 | 82 | $3.00 | $15.00 |
| Claude Sonnet 4.5 (batch) | 82 | $1.50 | $7.50 |
| Claude Opus 4.1 (batch) | 75 | $7.50 | $37.50 |
All OpenAI Models (101)
| Model | Score | Input $/M | Output $/M |
|---|---|---|---|
| GPT-5.5 Pro | 93 | $30.00 | $180.00 |
| GPT-5.5 Pro (batch) | 93 | $15.00 | $90.00 |
| GPT-5.5 | 93 | $5.00 | $30.00 |
| GPT-5.5 (batch) | 93 | $2.50 | $15.00 |
| GPT-5.4 Pro | 92 | $30.00 | $180.00 |
| GPT-5.4 Pro (batch) | 92 | $15.00 | $90.00 |
| GPT-5.4 | 92 | $2.50 | $15.00 |
| GPT-5.4 (batch) | 92 | $1.25 | $7.50 |
| GPT-5.3-Codex | 91 | $1.75 | $14.00 |
| GPT-5.2-Codex | 91 | $1.75 | $14.00 |
| GPT-5.2 Chat | 91 | $1.75 | $14.00 |
| GPT-5.2 Pro | 91 | $21.00 | $168.00 |
| GPT-5.2 Pro (batch) | 91 | $10.50 | $84.00 |
| GPT-5.2 | 91 | $1.75 | $14.00 |
| GPT-5.2 (batch) | 91 | $0.875 | $7.00 |
| GPT-5.6 Luna Pro | 89 | $0.200 | $1.20 |
| GPT-5.6 Luna Pro (batch) | 89 | $0.100 | $0.600 |
| GPT-5.6 Luna | 89 | $0.200 | $1.20 |
| GPT-5.6 Luna (batch) | 89 | $0.100 | $0.600 |
| GPT-5.6 Terra Pro | 89 | $2.00 | $12.00 |
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