GPT-5.2 Paid vs GPT-5.6 Sol Pro Paid
GPT-5.2 vs GPT-5.6 Sol Pro compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
GPT-5.2 — full profile › · GPT-5.6 Sol Pro — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
GPT-5.2 vs GPT-5.6 Sol Pro specs
| Spec | GPT-5.2 | GPT-5.6 Sol Pro |
|---|---|---|
| Maker | OpenAI | OpenAI |
| Type | Proprietary | Proprietary |
| Context window | 400K tokens | 1.1M tokens |
| Input price | $1.75/M | $5/M |
| Output price | $14/M | $30/M |
| Vision / multimodal | Yes | Yes |
| Tool / function calling | Yes | Yes |
| Self-hostable | No (API only) | No (API only) |
| License | Proprietary | Proprietary |
Feature comparison
| Capability | GPT-5.2 | GPT-5.6 Sol Pro |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✓ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✗ | ✓ |
Benchmarks: GPT-5.2 vs GPT-5.6 Sol Pro
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How GPT-5.2 and GPT-5.6 Sol Pro score
| Criterion | GPT-5.2 | GPT-5.6 Sol Pro |
|---|---|---|
| Cost-efficiency | 3.5 | 3.0 |
| Context window | 4.5 | 5.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 5.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
What each model is
GPT-5.2 Paid
GPT-5.2 is the latest frontier-grade model in the GPT-5 series, offering stronger agentic and long context perfomance compared to GPT-5.1. It uses adaptive reasoning to allocate computation dynamically, responding quickly...
GPT-5.6 Sol Pro Paid
GPT-5.6 Sol Pro is the same underlying model as [GPT-5.6 Sol](https://openrouter.ai/openai/gpt-5.6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://develope
Other models in these families
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Frequently asked questions
GPT-5.2 vs GPT-5.6 Sol Pro — which is cheaper?
GPT-5.2 is cheaper on output ($14/M vs $30/M).
Which has the larger context window?
GPT-5.6 Sol Pro offers the larger context window (1.1M tokens).
GPT-5.2 vs GPT-5.6 Sol Pro — which should I pick in 2026?
Choose GPT-5.2 for the lower output price ($14/M vs $30/M). Choose GPT-5.6 Sol Pro if you need the larger 1.1M context window.
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