Substitutes · GPT-510 alternatives · within 10% performance · lower price
Cheaper alternatives to GPT-5
Drop-in substitutes within 10% of GPT-5's average benchmark, priced lower, sorted by price. Target price $1.25/M · target score 53.2.
Frequently Asked Questions
The cheapest drop-in alternative is gpt-oss-120b (free) at Free/M input · 100% cheaper than GPT-5 with 129% of the benchmark score.