Flint vs GPT-5.6
Pricing, benchmarks, and use case comparison
Quick take
- •GPT-5.6 is meaningfully stronger at coding (94 vs 3).
- •Flint is open-weights (free to self-host); GPT-5.6 is paid API only.
Specs comparison
| Flint | GPT-5.6 | |
|---|---|---|
| Provider | Springboards | OpenAI |
| Type | Closed source | Closed source |
| Context window | Not announced | Not announced |
| Input / 1M tokens | ✓Not announced | 5 |
| Output / 1M tokens | Not announced | 30 |
| Release date | 2026-04 | 2026-06 |
Benchmarks
| Benchmark | Flint | GPT-5.6 |
|---|---|---|
| Novelty Bench | 7/10 | - |
| Intra-Model Similarity | 0.721 | - |
| NoveltyBench | 7.47 | - |
| Terminal-Bench 2.1 (Sol) | - | 88.8% |
| Terminal-Bench 2.1 (Terra) | - | 82.5% |
| Terminal-Bench 2.1 (Luna) | - | 84.3% |
| Terminal-Bench 2.1 | - | 88.8 |
| ExploitBench | - | Competitive with Anthropic Mythos Preview |
| ExploitGym | - | Significant improvements |
| GeneBench v1 | - | Not announced |
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-5.6 if...
- →You want to standardize on one model generation but route requests across cost/quality tiers
- →You are an approved preview partner exploring the newest OpenAI capabilities
- →Workloads spanning agentic coding, knowledge work, and research where tier flexibility helps