gpt-oss (OpenAI) vs Bolt.new

Which one should you pick? Here's the full breakdown.

Our Pick

gpt-oss (OpenAI)

A
8.1/10

OpenAI's FIRST open-weight models -- gpt-oss-120b (single 80GB GPU, near parity with o4-mini on reasoning) and gpt-oss-20b (runs on 16GB edge devices). Apache 2.0. Launched 2025-08-05. gpt-oss-safeguard ships in 2026 as the safety-tuned variant

Bolt.new

C
6.5/10

AI full-stack web app builder by StackBlitz -- describe what you want and it writes the code in the browser

Categorygpt-oss (OpenAI)Bolt.new
Ease of Use7.08.0
Output Quality8.56.0
Value10.05.0
Features7.07.0
Overall8.16.5

Pricing Comparison

Featuregpt-oss (OpenAI)Bolt.new
Free TierYesYes
Starting Price$0$0

Which Should You Pick?

Pick gpt-oss (OpenAI) if...

  • Higher output quality (8.5 vs 6)
  • Better value for money (10/10)

Developers who want OpenAI-brand open-weight reasoning models for self-hosting or fine-tuning. Particularly good for single-GPU deployments (gpt-oss-120b on one 80GB card) or edge-device reasoning (gpt-oss-20b on 16GB consumer GPUs / Apple Silicon). Also good as a reliable baseline when comparing newer open-weight releases.

Visit gpt-oss (OpenAI)

Pick Bolt.new if...

  • Easier to use (8 vs 7)

Non-developers who want to quickly prototype a web app idea and don't need production quality. Also useful for developers who want to scaffold boilerplate fast and then take over manually.

Visit Bolt.new

Our Verdict

gpt-oss (OpenAI) is the clear winner here with 8.1/10 vs 6.5/10. Bolt.new isn't bad, but gpt-oss (OpenAI) outperforms it across the board. Pick Bolt.new only if non-developers who want to quickly prototype a web app idea and don't need production quality.