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GPT-5.6 Sol Pro API

OpenAI·Vision

GPT-5.6 Sol Pro — GPT-5.6 Sol served with pro reasoning mode for higher-quality responses on complex tasks.

1.1M Context 128.0K out 716 req/24h $10.73 24h volume
Input
Text Image File
Output
Text

Pricing

Cheapest live price, per 1 million tokens.

Input / 1M tokens

$4.19110%

OpenRouter $2.00

Output / 1M tokens

$16.7768%

OpenRouter $10.00

Cache read / 1M

$0.419

Repeated prompt prefixes

Cache read is the discounted rate for repeated prompt prefixes (system prompts, agent context).

Capabilities · 13

Vision Reasoning Effort: low / medium / high Tool calling Parallel tools JSON mode JSON schema Web search File input PDF Prompt caching Streaming Seed

Specifications

Context window
1.1M
Max output
128K
Type
Vision
Creator
OpenAI
Live sellers
11
Requests / 24h
716

Price history · 60 days

Sep 9 — Nov 8▲ 19.75% vs last week
Compare all top models

Estimated monthly cost

30 days at the cheapest live price.

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1,000 req/day · 2K in · 0.5K out
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100 req/day · 50K in · 5K out
$880.19/mo

Quick start

OpenAI-compatible — change the base URL and key. Get a key from the dashboard.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.qubax.ai/v1",
    api_key="YOUR_QUBAX_API_KEY",
)

response = client.chat.completions.create(
    model="gpt-5.6-sol-pro",
    messages=[{"role": "user", "content": "Hello!"}],
)

print(response.choices[0].message.content)

About GPT-5.6 Sol Pro

GPT-5.6 Sol Pro is a multimodal language model developed by OpenAI. It's particularly well-suited for analyzing images, screenshots, and visual content, tackling complex, multi-step reasoning problems, orchestrating tool-using agents that call APIs and external services, grounding responses in real-time web search results, producing structured outputs for reliable data extraction and handling large contexts of up to 1.1M tokens. Its 1.1M-token context window means you can pass in entire documents, codebases, or conversation histories without losing context. It can write up to 128K tokens in a single response.

As of Nov 8, 2026, GPT-5.6 Sol Pro costs $4.19 per 1M input tokens and $16.77 per 1M output tokens on Qubax. A typical 1,000 chat requests (2K tokens in, 500 out) come to about $16.77. 11 independent compute providers currently serve it, so requests fail over automatically. It handled 716 requests on Qubax in the last 24 hours. Pay with USDC, USDT, BTC, ETH or 350+ other coins — no credit card required.

Visual Analysis
Analyze images, screenshots, diagrams, and visual content
Complex Reasoning
Multi-step problem solving, math, and logical analysis
Function Calling
Build agents and tool-using applications
Long Documents
Process entire codebases, books, or lengthy conversations
Chat & Conversation
Build AI chatbots and conversational assistants

Similar-priced alternatives

Frequently asked questions

How much does the GPT-5.6 Sol Pro API cost?

On Qubax, GPT-5.6 Sol Pro costs $4.19 per 1M input tokens and $16.77 per 1M output tokens.

Is the GPT-5.6 Sol Pro API compatible with OpenAI?

Yes. Qubax provides an OpenAI-compatible API. You can use GPT-5.6 Sol Pro as a drop-in replacement by changing your base URL to https://api.qubax.ai/v1 and using your Qubax API key. It works with Cline, Cursor, OpenCode, Hermes Agent, and any tool that supports OpenAI APIs.

How do I pay for GPT-5.6 Sol Pro API usage?

Qubax uses prepaid crypto credits. Top up with USDC, USDT, BTC, ETH, SOL or 350+ other coins and your balance is deducted as you use the API. No credit card or KYC required.

What is the context window of GPT-5.6 Sol Pro?

GPT-5.6 Sol Pro supports a context window of 1.1M tokens, allowing you to process large documents, codebases, or long conversations in a single request.

What can I build with GPT-5.6 Sol Pro?

You can use GPT-5.6 Sol Pro to analyze images and visual content, tackle complex multi-step reasoning tasks, build autonomous agents that call external tools and APIs, answer questions with real-time web search, generate structured JSON output for data pipelines and process long documents and entire codebases. Because it's served through Qubax's OpenAI-compatible API, integration into existing apps, agents, or workflows takes just a few lines of code.

How fast and reliable is GPT-5.6 Sol Pro on Qubax?

Responses stream token by token. 11 sellers serve it, so if one is slow or down the request moves to the next.

GPT-5.6 Sol Pro vs Claude Opus 5: which should I choose?

GPT-5.6 Sol Pro by OpenAI and Claude Opus 5 by Anthropic are both strong models in a similar price tier. GPT-5.6 Sol Pro excels at complex reasoning and supports vision/image inputs. Claude Opus 5 comes from a different lab and may have different strengths depending on your workload. On Qubax, GPT-5.6 Sol Pro starts at $4.19/1M input tokens while Claude Opus 5 comes in at $2.10/1M, so Claude Opus 5 may be worth considering if you need to minimize per-token cost. Both are available on Qubax with crypto payments and OpenAI-compatible APIs, so you can try each and switch freely.

Can I use GPT-5.6 Sol Pro for commercial projects?

Yes. GPT-5.6 Sol Pro on Qubax can be used for commercial purposes. You own the outputs you generate. Qubax provides the API infrastructure — you bring your use case.

Why use GPT-5.6 Sol Pro on Qubax?

Live market prices

Providers compete on price — you get the cheapest healthy seller.

Pay with crypto

350+ coins (BTC, ETH, SOL, USDT, USDC). No card, no KYC.

OpenAI & Anthropic compatible

Drop-in base URL. Works with Cline, Cursor, Claude Code, OpenAI and Anthropic SDKs.

Get started free →

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GPT-5.6 Sol Pro

$4.19 in · $16.77 out

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