GPT-5.6 Sol vs GPT-5.2
Side-by-side comparison. Updated 2026-07-09.
Summary
Compare GPT-5.6 Sol and GPT-5.2 across pricing, context window, modalities, strengths, weaknesses, and best-fit workloads.
Use the details below to weigh cost, context, modalities, and workload fit.
At a Glance
| Attribute | GPT-5.6 Sol | GPT-5.2 |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Tags | Agentic Coding Intelligent Long Context Reasoning | Intelligent Reasoning Multimodal |
| Context | 1,050,000 tokens | 200,000 tokens |
| Input price | $5.00/1M | $10.00/1M |
| Output price | $30.00/1M | $40.00/1M |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
GPT-5.6 Sol Strengths
- Terminal-Bench 2.1 SOTA (91.9% in Ultra mode)
- Ultra multi-agent mode coordinates parallel sub-agents for complex tasks
- 1.05M-token context for long-horizon agentic work
- Max reasoning-effort control for deeper single-pass reasoning
- New predictable prompt-caching with explicit cache controls
GPT-5.2 Strengths
- Native image input
- 200K context window
- Strong reasoning chain-of-thought
- Broad tool-use capability