Coding · Head-to-head
GPT-5.5 vs Bolt.new
GPT-5.5 (paid, AI Score 8.7/10) vs Bolt.new (freemium, AI Score 8/10). Side-by-side pricing, features, pros and cons, and which to pick.
The verdict
Pick GPT-5.5 if…
- →overall capability matters more than price (AI Score 8.7 vs 8)
- →your primary use case is teams already running gpt-5.5 in production who want a generally-available, independently benchmarked frontier model rather than switching a working stack to a newer gated preview.
- →you need: agents
Pick Bolt.new if…
- →budget is the constraint
- →your primary use case is founders and product engineers who want a full-stack prototype — ui, api routes, postgres and auth — running and deployed in an afternoon without configuring a local environment.
- →you need: productivity
Side-by-side specs
| Spec | GPT-5.5 | Bolt.new |
|---|---|---|
| Category | Coding | Coding |
| Pricing model | paid | freemium |
| Headline pricing | API: $5/$30 per 1M tokens (in/out) as last published. ChatGPT Plus $20/mo, Pro $200/mo | Free tier + token-metered paid plans — check website for current pricing |
| Free tier | No free API tier. ChatGPT's free plan does not include GPT-5.5; free traffic routes to smaller models. | Yes — a recurring daily token allowance, enough to build and preview small apps but exhausted quickly on anything iterative |
| AI Score | 8.7/10 | 8/10 |
| Best for | Teams already running GPT-5.5 in production who want a generally-available, independently benchmarked frontier model rather than switching a working stack to a newer gated preview. | Founders and product engineers who want a full-stack prototype — UI, API routes, Postgres and auth — running and deployed in an afternoon without configuring a local environment. |
| Editor's pick | — | — |
| Use cases | development agents | development productivity |
| Date added | 2026-05-02 | 2026-04-30 |
Pros and cons
GPT-5.5
Coding · paid
Pros
- ✓Generally available and independently benchmarked, with months of production track record behind it
- ✓Genuine agentic capability: tool use, self-correction and multi-step task completion, not just single-turn answers
- ✓272K context still handles most whole-codebase and long-document work without chunking
- ✓Mini and nano tiers let you route cheap calls without leaving OpenAI
Cons
- ×Superseded by the GPT-5.6 family in June 2026, including as the model behind Codex — this is prior-generation now
- ×Still carries flagship pricing at $5/$30 while GPT-5.6 Terra ($2.50/$15) and Kimi K3 ($3/$15) target similar work for less
- ×272K context now trails the 1M-token windows on Gemini 3.5 Pro and Kimi K3
- ×Closed weights with no self-hosting path, so migration cost is entirely OpenAI's to price
Bolt.new
Coding · freemium
Pros
- ✓Genuinely zero setup — a full Node dev environment, package installs and dev server all run in the browser tab
- ✓Generates a deployable full-stack app with API routes, Postgres and auth rather than UI-only scaffolding
- ✓Source code stays editable in place and exports to GitHub, so projects can graduate to a normal workflow
- ✓One-click Netlify deploy with custom domain support takes prompt to live URL without leaving the tool
- ✓Open-source codebase means a self-hostable community fork (bolt.diy) exists for teams that need it
Cons
- ×Token-metered billing makes cost unpredictable — retries and failed generations draw down the same allowance as successful ones
- ×Runtime is bound to the JavaScript/Node ecosystem plus Expo; no Python, Go or JVM backends
- ×Non-trivial business logic, security review and data modelling still require an experienced developer to finish
- ×Crowded field in 2026 — Lovable, v0 and Replit Agent overlap heavily, and Bolt's advantage over them has narrowed to the in-browser runtime and code portability
Related comparisons
Updated 2026-08-10. Spec data sourced from official product pages and tracked in our public directory at /tools.