Coding · Head-to-head
GPT-5.5 vs Windsurf
GPT-5.5 (paid, AI Score 8.7/10) vs Windsurf (freemium, AI Score 7.2/10). 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 7.2)
- →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.
Pick Windsurf if…
- →budget is the constraint
- →your primary use case is developers already productive in windsurf's cascade workflow who have no urgent reason to migrate, and teams evaluating cognition's stack who want an editor-side agent sitting alongside devin's cloud agents.
Side-by-side specs
| Spec | GPT-5.5 | Windsurf |
|---|---|---|
| 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; paid plans from $20/mo (the Devin lineup now served at windsurf.com) — verify before buying |
| Free tier | No free API tier. ChatGPT's free plan does not include GPT-5.5; free traffic routes to smaller models. | Yes, but it is credit-metered and is Devin's free tier, not the unlimited-basic-completions-forever tier this entry once described. That tier no longer exists. Confirm current allowances on the live pricing page before relying on it. |
| AI Score | 8.7/10 | 7.2/10 |
| 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. | Developers already productive in Windsurf's Cascade workflow who have no urgent reason to migrate, and teams evaluating Cognition's stack who want an editor-side agent sitting alongside Devin's cloud agents. |
| Editor's pick | — | — |
| Use cases | development agents | development agents |
| Date added | 2026-05-02 | 2025-06-01 |
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- ×Superseded by the GPT-5.6 family in June 2026, including as the model behind Codex — this is prior-generation now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
Windsurf
Coding · freemium
Pros
- ✓Cascade remains one of the better-designed agent loops: it plans, edits across files, runs commands, reads output and iterates without needing constant re-prompting
- ✓Repo-wide indexing means the agent locates the relevant files itself instead of making you paste context
- ✓Mixes cheap in-house SWE-series models for routine edits with frontier models for hard problems, so agent runs are not uniformly expensive
- ✓Enterprise self-hosted and air-gapped deployment with zero data retention, which Cursor does not offer at any tier
- ✓Full VS Code fork with terminal execution and file-write access, not a chat sidebar bolted onto an editor
Cons
- ×The founding team including CEO Varun Mohan left for Google DeepMind in July 2025 and Cognition bought what remained, so an independent product roadmap is not a safe assumption
- ×windsurf.com resolved to Cognition's Devin site when checked on 2026-08-10, meaning the plans a buyer actually encounters are Devin's and no Windsurf-branded price could be confirmed on any live page
- ×Cursor and Claude Code have caught up on multi-file agentic work, erasing the 2025 lead this entry's original 9.1 score was built on
- ×Pricing is credit-metered and hard to forecast for a team; the unlimited free tier that once made the product an easy recommendation is gone
Related comparisons
Updated 2026-08-10. Spec data sourced from official product pages and tracked in our public directory at /tools.