Which is cheaper for input tokens: Anthropic: Claude Opus 4.1 or OpenAI: GPT-5 Pro?
Anthropic: Claude Opus 4.1 is cheaper or equal on input token cost by $0.00 per 1M tokens.
Head-to-Head Pricing Benchmark
Side-by-side pricing and context window comparison for production model selection.
Default Recommendation (120M input + 60M output)
Anthropic: Claude Opus 4.1 is lower-cost for the default monthly workload scenario.
Adjust the workload in the calculator below to see a live recommendation for your usage.
| Metric | Anthropic: Claude Opus 4.1 | OpenAI: GPT-5 Pro |
|---|---|---|
| Developer | anthropic | openai |
| Context Window | 200,000 | 400,000 |
| Input Cost / 1M Tokens | $15.00 | $15.00 |
| Output Cost / 1M Tokens | $75.00 | $120.00 |
| Projected Monthly Cost | $6,300 | $9,000 |
| Vision | ✅ Yes | ✅ Yes |
| Tool Calling | ✅ Yes | ✅ Yes |
| Structured Output | ✅ Yes | ✅ Yes |
| Reasoning | ✅ Yes | ✅ Yes |
| MMLU Score | N/A | N/A |
Price History
Current Input / 1M
$15.00
Current Output / 1M
$75.00
Price History
Current Input / 1M
$15.00
Current Output / 1M
$120.00
Adjust your workload to see projected monthly costs.
Anthropic: Claude Opus 4.1
$6,300
per month
Lower costOpenAI: GPT-5 Pro
$9,000
per month
Live Recommendation
Anthropic: Claude Opus 4.1 is lower-cost at 120M input + 60M output tokens/month.
Continue evaluation with more “A vs B pricing” decision pages.
Quick Compare
Select two models to see a head-to-head pricing breakdown.
Common questions for Anthropic: Claude Opus 4.1 vs OpenAI: GPT-5 Pro pricing decisions.
Anthropic: Claude Opus 4.1 is cheaper or equal on input token cost by $0.00 per 1M tokens.
Anthropic: Claude Opus 4.1 is cheaper or equal on output token cost by $45 per 1M tokens.
$2,700 difference for the default scenario (120M input + 60M output tokens/month).
Use this page to compare context window and token pricing, then open each model page to evaluate additional alternatives and monthly workload fit.