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GPT 5.6 Sol Pro API price
openai/gpt-5.6-sol-pro
The cheapest GPT 5.6 Sol Pro API is $2.00/M input at OpenAI (via OpenRouter) - all 2 providers compared below, per 1M tokens.
FlagshipOpenAI1.1M context2 sellers
Input
$2.00
per 1M tokens · OpenAI (via OpenRouter)
up to $4.00
Output
$10.00
per 1M tokens · OpenAI (via OpenRouter)
up to $20.00
Where to buy it
Cheapest GPT 5.6 Sol Pro API providers compared - 2 sellers, from $2.00/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Uptime | Your cost |
|---|---|---|---|---|---|
| OpenAI (via OpenRouter) | 2.00cheapest | 10.00 | 0.200 | 100% | |
| Flex | 1.00 | 5.00 | 0.100 | - | |
| Azure (via OpenRouter) | 4.00 | 20.00 | 0.400 | - |
2.0× between the cheapest and the dearest of 2 sellers.
Against its tier
- This model$12.00
- Cheapest · GLM 5.3 Flash$0.12
- Tier median · Gemini 3.1 Pro$11.7313
- Dearest · GPT 5.5 Pro (04-23 snapshot)$210.00
#21 of 36 flagship · cheaper than 43%
Details
- Context window
- 1.1M1,050,000 tokens
- Developer
- OpenAI
- Sellers
- 22.0× spread
- Cheapest at
- OpenAI (via OpenRouter)
- Cached input
- $0.20where the source publishes one
- Combined
- $12.00in + out per 1M
- Last checked
- 2026-10-12
- Availability
- 100.00%median of 1 OpenRouter endpoint, last 30 min