claude-opus-4.5 vs gpt-4o:extended
Input price
$5.00
$6.00
Output price
$25.00
$18.00
Context window
200K
128K
Throughput
157 tok/s
129 tok/s
Availability
98.5%
97.6%
Cost / task
$0.023
$0.021
Efficiency score
78
80
Estimated monthly cost by workload
Metric
CLAUDE-OPUS-4.
GPT-4O-EXTENDE
Chat assistant
$4,500
$3,960
RAG / long context
$8,250
$8,820
Agent / tool use
$12,600
$10,800
Efficiency score: gpt-4o:extended
Across price, speed and reliability, gpt-4o:extended offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.
Figures are illustrative demo data, not financial advice.
Frequently asked questions
Is claude-opus-4.5 or gpt-4o:extended cheaper?+
claude-opus-4.5 has the lower input price — $5.00 vs $6.00 per 1M tokens — so for most blended workloads it is the more cost-effective of the two. Figures are illustrative demo data.
Which should I choose, claude-opus-4.5 or gpt-4o:extended?+
Across price, speed and reliability, gpt-4o:extended offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.