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GPT 6 Astra Pro vs Grok Build 0.1

At a glance

OpenAI's GPT-6 Astra served in pro reasoning mode for the hardest problems.

1.1M ctx$10.00/$50.00 per M

xAI's agentic build model for autonomous software engineering.

256K ctx$1.00/$2.00 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Coding
Real-World Coding—
Reasoning
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-06-15
Cheaper94%
Coding
Real-World Coding70.8%
Specs
1.1M
Context
128K
Max output
Sep 2026
Released
256K
Context
16K
Max output
May 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$10.00/M tokens
Output$50.00/M tokens
Cache read$1.00/M tokens
Cache write$12.50/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input90%$1.00/M tokens
Output96%$2.00/M tokens
Cache read80%$0.20/M tokens
Web search50%$0.005/search
Chat with GPT 6 Astra ProGo to model
Chat with Grok Build 0.1Go to model
Frequently Asked Questions: GPT 6 Astra Pro vs Grok Build 0.1▼

Which is better, GPT 6 Astra Pro or Grok Build 0.1?

▼

Both GPT 6 Astra Pro and Grok Build 0.1 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, GPT 6 Astra Pro or Grok Build 0.1?

▼

Grok Build 0.1 has a lower blended cost. GPT 6 Astra Pro: $10.00 input / $50.00 output. Grok Build 0.1: $1.00 input / $2.00 output.

Which has a larger context window, GPT 6 Astra Pro or Grok Build 0.1?

▼

GPT 6 Astra Pro has a larger context window: GPT 6 Astra Pro supports 1.1M tokens vs Grok Build 0.1 at 256K tokens.

Do both GPT 6 Astra Pro and Grok Build 0.1 support vision?

▼

Yes, both GPT 6 Astra Pro and Grok Build 0.1 support vision/image input.

What are the key differences between GPT 6 Astra Pro and Grok Build 0.1?

▼

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 GPT 6 Astra Pro and Grok Build 0.1 for free on idapt.app to see which performs better for your specific needs.

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