GPT-5 Pro
A premium GPT-5 variant that uses more compute to deliver consistently smarter, more precise reasoning for the toughest problems.
GPT-5 Pro at a glance
Context window
400K tokens
Input price
$15
per 1M tokens
Output price
$120
per 1M tokens
Why use GPT-5 Pro
Strengths, benchmarks, and where GPT-5 Pro fits in your team's workflow.
1. Highest reasoning quality in the GPT-5 family
- Uses significantly more compute to "think harder" before responding.
- Designed for the toughest reasoning tasks where answer quality matters more than speed.
- Produces more precise, reliable, and detailed outputs than standard GPT-5.
2. Advanced multi-turn reasoning via Responses API
- Available only in the Responses API to support:
- Multi-turn internal model interactions before returning a reply.
- Advanced control patterns (e.g., background mode for long-running jobs).
- Ideal for complex workflows, deep planning, and multi-step analysis.
3. Configured for maximum effort by default
- Always runs with reasoning.effort: 'high' (no lower-effort mode).
- Prioritizes depth and correctness over latency and cost.
4. Multimodal input
- Accepts text + image as input.
- Outputs text, with strong instruction-following and analysis capabilities.
5. Tooling and ecosystem integration
- Supports Web Search, File Search, and Image Generation (as tools).
- Supports MCP and other Responses API tooling patterns.
- Does not support Code Interpreter and does not support Computer Use, keeping focus on pure reasoning + tools.
Power your team with GPT-5 Pro
Appaca is the AI workspace for operators. Build internal tools and AI co-workers powered by GPT-5 Pro - 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 Pro as the engine. No code, no deployment.
Give GPT-5 Pro your real data
Connect the tools your team already uses - Slack, Notion, Google Sheets, Airtable, and more - so GPT-5 Pro works with real context, not generic answers.
Automate recurring tasks
Schedule GPT-5 Pro 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 Pro - connected to the tools you already use.
Where teams use GPT-5 Pro
See how teams put GPT-5 Pro to work inside Appaca - internal tools and AI agents that work around you.
Sales
Score leads, draft follow-ups, and summarise deals with GPT-5 Pro doing the heavy lifting.
Explore Appaca for SalesMarketing
Draft, repurpose, and report on campaigns in your brand voice - powered by GPT-5 Pro.
Explore Appaca for MarketingOperations
Automate reporting, vendor tracking, and process docs with AI built around your workflow.
Explore Appaca for OperationsMore OpenAI models
Compare other OpenAI models in the Appaca AI models directory - specs, pricing, and use cases for each.
GPT-5.5
OpenAI's smartest and most capable model yet for agentic coding, knowledge work, and computer use, delivering a new class of intelligence at GPT-5.4 latency.
View modelGPT-5.4
OpenAI's frontier model for complex professional work with best intelligence at scale for agentic, coding, and professional workflows.
View modelGPT-5.2
Previous frontier model for complex professional work with configurable reasoning effort.
View modelCompare GPT-5 Pro with other models
See how GPT-5 Pro stacks up against other text models - pricing, context windows, and strengths side by side.
Build internal AI tools with GPT-5 Pro
Describe the tool your team needs and get a working app powered by GPT-5 Pro - with a built-in database, team access, and integrations. No code, no deployment.