GPT-6 Astra (Xhigh) vs GPT-6 Astra (High)Benchmark Comparison 2026

Objective comparison based on public benchmarks updated weekly: Intelligence Index, Chatbot Arena ELO, pricing and speed.

Overall winner (2026)

GPT-6 Astra (Xhigh)

2 of 3 criteria won

OpenAI

GPT-6 Astra (Xhigh)

Winner

Intelligence Index

55.3

Coding Index

75.9

2 criteria won

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OpenAI

GPT-6 Astra (High)

Intelligence Index

54.8

Coding Index

77.1

1 criterion won

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Detailed Comparison

CritérioGPT-6 Astra (Xhigh)GPT-6 Astra (High)
Chatbot Arena ELO——
Intelligence Index (AA)55.3 ✓54.8
Coding Index (AA)75.977.1 ✓
Input price ($/1M tok)$10.00$10.00
Output price ($/1M tok)$50.00$50.00
Context window——
Speed (tokens/s)66 tok/s ✓63 tok/s

✓ = winner in this criterion • Source: Artificial Analysis, LMArena, official APIs • Updated weekly

Technical Specifications

GPT-6 Astra (Xhigh)

Company
OpenAI
Input ($/1M tok)
$10.00
Output ($/1M tok)
$50.00
Speed
66 tok/s
Release
Sep 2026
Multimodal
No
Open Source
No

GPT-6 Astra (High)

Company
OpenAI
Input ($/1M tok)
$10.00
Output ($/1M tok)
$50.00
Speed
63 tok/s
Release
Sep 2026
Multimodal
No
Open Source
No

When to use GPT-6 Astra (Xhigh) vs GPT-6 Astra (High)?

Choosing between GPT-6 Astra (Xhigh) and GPT-6 Astra (High) depends on your use case, budget and technical requirements. Below, a practical guide based on benchmark data and each model's specifications.

Use GPT-6 Astra (Xhigh) when:

OpenAI · Text

  • →Critical tasks where maximum quality justifies premium cost — ideal for one-off high-value decisions
  • →API integration in SaaS applications — direct API access with documented SLA
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Use GPT-6 Astra (High) when:

OpenAI · Text

  • →Critical tasks where maximum quality justifies premium cost — ideal for one-off high-value decisions
  • →API integration in SaaS applications — direct API access with documented SLA
View full GPT-6 Astra (High) profile →
SWEN Verdict: GPT-6 Astra (Xhigh) wins in more objective criteria in this comparison (2 vs 1). For most use cases, GPT-6 Astra (Xhigh) offers better aggregate performance — but GPT-6 Astra (High) may be preferable if your project prioritizes critical tasks where maximum quality justifies premium cost.

Frequently Asked Questions

GPT-6 Astra (Xhigh) or GPT-6 Astra (High): which is better?

GPT-6 Astra (Xhigh) wins in 2 of 3 criteria analyzed. Check the full table to choose based on your use case.

Where does this benchmark data come from?

Data is aggregated from Artificial Analysis (Intelligence Index, Coding Index) and Chatbot Arena/LMArena (ELO). Pricing and specs come from official APIs. Updated weekly.

What is the Intelligence Index?

The Intelligence Index is an aggregate score from Artificial Analysis that combines multiple academic benchmarks (MMLU, GPQA, LiveBench, etc.) into a single rating. The higher the score, the more capable the model is at reasoning tasks.

Is GPT-6 Astra (Xhigh) cheaper than GPT-6 Astra (High)?

GPT-6 Astra (Xhigh) and GPT-6 Astra (High) have the same input price: $10/1M tokens. The actual cost difference depends on output pricing and your application's input/output ratio.

GPT-6 Astra (Xhigh) or GPT-6 Astra (High): which has a larger context window?

Context window data is not available for either model at this time.

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