Flint vs GPT-5.5
Pricing, benchmarks, and use case comparison
Quick take
- •GPT-5.5 is meaningfully stronger at long context (93 vs 0).
- •Flint is open-weights (free to self-host); GPT-5.5 is paid API only.
Specs comparison
| Flint | GPT-5.5 | |
|---|---|---|
| Provider | Springboards | OpenAI |
| Type | Closed source | Closed source |
| Context window | Not announced | ✓1,050,000 tokens (128,000 max output) |
| Input / 1M tokens | ✓Not announced | $5.00 |
| Output / 1M tokens | Not announced | $30.00 |
| Release date | 2026-04 | 2026-04 |
Benchmarks
| Benchmark | Flint | GPT-5.5 |
|---|---|---|
| Novelty Bench | 7/10 | - |
| Intra-Model Similarity | 0.721 | - |
| NoveltyBench | 7.47 | - |
| SWE-bench Verified | - | 82.6% |
| SWE-bench Pro | - | 58.6% |
Scores sourced from official provider release posts and independent benchmark aggregators.
Which should you choose?
Choose Flint if...
- →When exploring diverse creative directions
- →For early-stage ideation and concept generation
- →When variety and novelty are more important than accuracy
Choose GPT-5.5 if...
- →Complex professional coding, data analysis, and multi-tool agentic workflows
- →Long-document or large-codebase tasks needing a 1M+ context window
- →You want OpenAI's recommended default frontier model for new projects