$ diff gpt-6-sol granite-4-2
GPT-6 Sol vs Granite 4.2
Values come from GPT-6 Sol and Granite 4.2, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing.
OpenAIGPT-6 Sol
- context
- 1.1M
- weights
- closed
- $/M in
- $2
- $/M out
- $10
- context
- 512K
- weights
- open
- $/M in
- —
- $/M out
- —
What actually differs
- Context window
- GPT-6 Sol takes 1.1M against 512K — 2.1× more room in a single request.
- Weights
- Granite 4.2 publishes weights (Apache 2.0); GPT-6 Sol is API-only. That decides self-hosting, air-gapped deployment and fine-tuning before any capability question does.
- Recency
- GPT-6 Sol shipped 28 days after Granite 4.2 (2026-09-22 vs 2026-08-25).
Full spec
| Attribute | GPT-6 Sol | Granite 4.2 |
|---|---|---|
| Developer | OpenAI | IBM |
| Released | 2026-09-22 | 2026-08-25 |
| Context window | 1.05M tokens | 512K (30B); unknown (3B, 8B) |
| Pricing | $2/M input · $10/M output · cached input $0.20/M | not applicable — open weights, no hosted rate published |
| License | proprietary (API-only; no weight release) | Apache 2.0 |
| Availability | ChatGPT Work and Codex (Plus, Pro, Business, Enterprise, Edu); OpenAI API as `gpt-6-sol`. Not yet in Chat | Hugging Face, Ollama, GitHub |