GPT-5.6 Sol Pro API Pricing

GPT-5.6 Sol Pro pricing by provider

1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

What GPT-5.6 Sol Pro costs in practice

1,000 requests with 2,000 input and 500 output tokens each

100 long-document requests with 100,000 input and 2,000 output tokens each

GPT-5.6 Sol Pro cost calculator

At Kyma API's price ($5.40 input, $27.00 output per 1M tokens), 10,000 requests a day with 1,000 input and 500 output tokens each cost $189 a day, about $5,670 a month. Change the numbers for your workload, or compare it with other models.

GPT-5.6 Sol Pro features

Input: text, image, pdf. Output: text.

• Function calling
• Structured output
• Image input
• PDF input
• Reasoning
• Prompt caching

Use GPT-5.6 Sol Pro with LiteLLM

Call GPT-5.6 Sol Pro through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.

from litellm import completion

response = completion(
    model="kyma/gpt-5.6-sol-pro",
    messages=[{"role": "user", "content": "Hello!"}],
)

model_list:
  - model_name: gpt-5.6-sol-pro
    litellm_params:
      model: kyma/gpt-5.6-sol-pro
      # credentials: see the provider's LiteLLM docs page

curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $LITELLM_API_KEY" \
  -d '{
    "model": "gpt-5.6-sol-pro",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

GPT-5.6 Sol Pro FAQ

More OpenAI models

• GPT-5.5 Cyber Preview$12.50 / $75 per 1M tokens
• GPT-5.4 High$2.50 / $15 per 1M tokens
• GPT-5.4 Low$2.50 / $15 per 1M tokens
• GPT-5.6 Sol Disc$4 / $20 per 1M tokens
• GPT-5.5 Cyber$12.50 / $75 per 1M tokens
• GPT-5.6 Luna Pro$0.2703 / $1.621 per 1M tokens
• GPT-5.6 Terra Pro$2.70 / $16.20 per 1M tokens
• GPT-5.6 Cyber$12.50 / $75 per 1M tokens