ByteDance
ByteDance
Language model · China ·Dec 2025

Seed Prover 1.5

Language Proprietary

About Seed Prover 1.5

Seed Prover 1.5 is an AI model developed by ByteDance, in the language category, released in 2025, made available as a proprietary (API-only) model. Official: ByteDance Seed blog: Seed Prover 1.5 (formal math reasoning) release..

On this page you'll find Seed Prover 1.5's full specifications. Review provider pricing and benchmark scores below, or compare Seed Prover 1.5 head-to-head with other language models.

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Frequently asked questions

What is Seed Prover 1.5?

Official: ByteDance Seed blog: Seed Prover 1.5 (formal math reasoning) release. It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.

Who created Seed Prover 1.5?

Seed Prover 1.5 was developed by ByteDance and released in 2025.

Is Seed Prover 1.5 open source or proprietary?

Seed Prover 1.5 is a proprietary model. It is accessed through an API rather than by downloading the weights.

How much does Seed Prover 1.5 cost?

Pricing for Seed Prover 1.5 depends on the provider. See the providers table on this page for the latest API rates.

How does Seed Prover 1.5 perform on benchmarks?

Benchmark scores for Seed Prover 1.5 are listed on this page as they are published. You can compare it head-to-head with other models on the GenAIList compare tool.

Seed-Prover 1.5: Lean Theorem Proving

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