GPT-5.6 Sol Pro API: Pricing and Specs

GPT-5.6 Sol Pro API

GPT-5.6 Sol Pro is a large language model by OpenAI, available on the Venice API as openai-gpt-56-sol-pro. Requests are anonymized, so the provider never sees your identity.GPT-5.6 Sol Pro is the same underlying model as GPT-5.6 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks.

GPT-5.6 Sol Pro API pricing

Model ID	Variant	Privacy	Price
`openai-gpt-56-sol-pro`	Standard	Anonymized	$4.00 / $20.00 per 1M

GPT-5.6 Sol Pro specifications

Spec	Value
Provider	OpenAI
Released	Jul 9, 2026
Privacy	Anonymized
Status	Stable
Context window	1M tokens
Max output	128K tokens
Reasoning effort	none, low, medium, high, xhigh, max

How to use the GPT-5.6 Sol Pro API

Send requests to POST https://api.venice.ai/api/v1/responses with "model": "openai-gpt-56-sol-pro" and your API key.

curl https://api.venice.ai/api/v1/responses \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai-gpt-56-sol-pro",
    "input": "Explain TEE attestation in two sentences.",
    "reasoning": { "effort": "medium" }
  }'

Related models

Kimi K3 API: $3.75 / $18.75 per 1M
Claude Opus 5.5 API: $4.00 / $20.00 per 1M
Claude Opus 5 API: $5.00 / $25.00 per 1M
Claude Opus 4.8 API: $5.00 / $25.00 per 1M

Explore

By modality

GPT-5.6 Sol Pro API

GPT-5.6 Sol Pro API pricing

GPT-5.6 Sol Pro specifications

How to use the GPT-5.6 Sol Pro API

Related models