AI Models /
OpenAI

GPT-5.6 Sol

OpenAI's flagship model for complex professional work, combining frontier reasoning, coding, computer use, and long-horizon agentic performance with greater token efficiency.

text 1.1M tokens context From $5 / 1M tokens

GPT-5.6 Sol at a glance

Context window

1.1M tokens

Input price

$5

per 1M tokens

Output price

$30

per 1M tokens

Why use GPT-5.6 Sol

Strengths, benchmarks, and where GPT-5.6 Sol fits in your team's workflow.

1. Frontier Coding & Agentic Performance

  • Scores 88.8% on Terminal-Bench 2.1 and 72.7% on DeepSWE v1.1, with stronger performance across complex terminal workflows and long-horizon engineering.
  • Programmatic Tool Calling can coordinate tools, process intermediate results, and adapt workflows with fewer model round trips.

2. Maximum Capability on Demand

  • Adds max reasoning effort for difficult tasks that benefit from deeper exploration, checking, and revision.
  • Multi-agent ultra coordinates parallel agents for demanding work, reaching 91.9% on Terminal-Bench 2.1 and 92.2% on BrowseComp in OpenAI's evaluations.

3. Strong Computer Use, Design & Knowledge Work

  • Scores 62.6% on OSWorld 2.0 and 90.4% on BrowseComp in standard mode.
  • Produces more polished interfaces, presentations, documents, and spreadsheets while following reference formats more accurately.

4. Long Context & Broad Tool Support

  • Supports a 1.05M-token context window, up to 128K output tokens, and text plus image input.
  • Works with web search, file search, image generation, code interpreter, hosted shell, computer use, MCP, and other Responses API tools.

5. Stronger Science, Cybersecurity & Safeguards

  • Improves scientific and defensive cybersecurity performance, including 28.7% on GeneBench Pro and 73.5% on ExploitBench.
  • Uses layered safeguards, real-time checks, monitoring, and access controls for higher-risk capabilities.
Appaca

Power your team with GPT-5.6 Sol

Appaca is the AI workspace for operators. Build internal tools and AI co-workers powered by GPT-5.6 Sol - connected to your real data and ready for your whole team. No code, no deployment.

Build internal AI tools

Describe what you need and the Appaca agent builds it - lead scorers, report generators, email drafters - with GPT-5.6 Sol as the engine. No code, no deployment.

Give GPT-5.6 Sol your real data

Connect the tools your team already uses - Slack, Notion, Google Sheets, Airtable, and more - so GPT-5.6 Sol works with real context, not generic answers.

Automate recurring tasks

Schedule GPT-5.6 Sol to run on autopilot - daily digests, weekly summaries, or real-time triggers - all managed inside your Appaca workspace.

Describe it, and it's built

Tell the Appaca agent what your team needs and it builds a working app powered by GPT-5.6 Sol - connected to the tools you already use.

SlackGoogle SheetsGoogle DriveGoogle CalendarAirtableNotionWhatsappHubspot
Chat to app Appaca app builder

Compare GPT-5.6 Sol with other models

See how GPT-5.6 Sol stacks up against other text models - pricing, context windows, and strengths side by side.

Build internal AI tools with GPT-5.6 Sol

Describe the tool your team needs and get a working app powered by GPT-5.6 Sol - with a built-in database, team access, and integrations. No code, no deployment.