Substitutes · o310 alternatives · within 10% performance · lower price
Cheaper alternatives to o3
Drop-in substitutes within 10% of o3's average benchmark, priced lower, sorted by price. Target price $2.00/M · target score 51.2.
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The cheapest drop-in alternative is gpt-oss-120b (free) at Free/M input · 100% cheaper than o3 with 134% of the benchmark score.