Skip to main content
idapt
HomeAI ModelsPricing
Sign inStart free

Grok Build 0.1 vs GPT 5.5 Pro

At a glance
xAIGrok Build 0.1

xAI's agentic build model for autonomous software engineering.

256K ctx$1.00/$2.00 per M
OpenAIGPT 5.5 Pro

OpenAI's high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads.

921.1M ctx$30.00/$180.00 per M#1/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
xAIGrok Build 0.1
Reasoning
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-06-15
Cheaper
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding70.8%
Agentic
Novel Reasoning—
OpenAIGPT 5.5 Pro
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI91.8
Reasoning & Knowledge
Graduate Science93.9%Factual Recall64.5%
Math
Competition Math100.0%Research Math52.4%
Coding
Real-World Coding—
Agentic
Novel Reasoning84.6%
Specs
xAIGrok Build 0.1
256K
Context
16K
Max output
May 2026
Released
OpenAIGPT 5.5 Pro
1.1M
Context
128K
Max output
Apr 2026
Released
Capabilities
xAIGrok Build 0.1
Vision
Audio
Reasoning
OpenAIGPT 5.5 Pro
Vision
Audio
Reasoning
Pricing
xAIGrok Build 0.1
Live pricing, shown before you run
Input$1.00/M tokens
Output$2.00/M tokens
Cache read$0.20/M tokens
Web search$0.005/search
OpenAIGPT 5.5 Pro
Live pricing, shown before you run
Input$30.00/M tokens
Output$180.00/M tokens
Web search$0.01/search
Chat with Grok Build 0.1Go to model
Chat with GPT 5.5 ProGo to model
Frequently Asked Questions: Grok Build 0.1 vs GPT 5.5 Pro▼

Which is better, Grok Build 0.1 or GPT 5.5 Pro?

▼

Both Grok Build 0.1 and GPT 5.5 Pro are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Grok Build 0.1 or GPT 5.5 Pro?

▼

Grok Build 0.1 has a lower blended cost. Grok Build 0.1: $1.00 input / $2.00 output. GPT 5.5 Pro: $30.00 input / $180.00 output.

Which has a larger context window, Grok Build 0.1 or GPT 5.5 Pro?

▼

GPT 5.5 Pro has a larger context window: Grok Build 0.1 supports 256K tokens vs GPT 5.5 Pro at 1.1M tokens.

Do both Grok Build 0.1 and GPT 5.5 Pro support vision?

▼

Yes, both Grok Build 0.1 and GPT 5.5 Pro support vision/image input.

What are the key differences between Grok Build 0.1 and GPT 5.5 Pro?

▼

Key differences: Grok Build 0.1 is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Grok Build 0.1 and GPT 5.5 Pro for free on idapt.app to see which performs better for your specific needs.

Open in App
  • Home
  • Pricing
  • AI Models
  • Image models
  • Voice models
  • Video models
  • Rankings
  • New models
  • Model status
  • Multi-Model Chat
  • Voice Mode
  • Voice HUD
  • Web Search
  • Image Generation
  • Video Generation
  • Audio Generation
  • Transcription
  • Drive
  • Secrets
  • Sharing
  • Workspaces
  • Tasks
  • Memory
  • Agents
  • Subagents
  • Automations
  • Skills
  • Code Execution
  • Computers
  • Computer Use
  • Cloud Computers
  • Local AI
  • AI Gateway
  • API & SDK
  • CLI
  • MCP
  • Tunnels
  • All features →
  • Blog
  • Use cases
  • Comparisons
  • Best of
  • Learn
  • Free tools
  • Prompts
  • Templates
  • Changelog
  • Help center
  • FAQ
  • Privacy
  • Compare all models
  • Support
  • Developers
  • Quickstarts
  • API reference
  • API pricing
  • CLI
  • MCP
  • Downloads
  • Desktop
  • Badges and embeds
© idapt[email protected]TermsPrivacy PolicyLegal noticeReport content
X (Twitter)