GPT-5.6 Sol

by OpenAI
openai/gpt-5.6-sol
30% off

GPT-5.6 Sol is a text and image-input model by OpenAI, available through the AgentSky API as openai/gpt-5.6-sol at $2.80 per million input tokens and $14.00 per million output tokens, with a 1.1M context window.

The flagship GPT-5.6 tier for complex professional work, with reasoning effort configurable from none to maximum.

Run GPT-5.6 Sol with an agent

Each guide pairs this model with a compatible agent and opens the composer with both selected.

Pricing

USD per million tokens, using your plan when signed in. Each request uses the tier matching its full input context, including cached input; output tokens do not choose the tier.
Input context (tokens)Cache modeThinkingInputOutputCache readCache write
Up to 272,000AutomaticStandardOfficial price: $4.00Sale price: $2.80Official price: $20.00Sale price: $14.00Official price: $0.4Sale price: $0.28—
272,001–1,050,000AutomaticStandardOfficial price: $8.00Sale price: $5.60Official price: $30.00Sale price: $21.00Official price: $0.8Sale price: $0.56—

Every response carries its own cost. Balance and per-call records: /v1/credits and /v1/generation.

Use it

Point your client at the gateway and pass this model id. Nothing else changes.
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://gateway.agentsky.dev/v1",
  apiKey: process.env.AGENTSKY_API_KEY, // ast_…
});

const completion = await client.chat.completions.create({
  model: "openai/gpt-5.6-sol",
  messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(completion.usage.cost); // USD, in the response

Questions