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Head-to-head

GPT-6 Astra vs Muse Spark 1.3

As of October 26, 2026, GPT-6 Astra leads Muse Spark 1.3 on the Analyzer Index, 95.0 to 89.3.

Normalized scores are min-maxed per benchmark across all models we track (0–100). Open the interactive compare view to add benchmarks to the radar chart or pull in more models.

GPT-6 Astra
OpenAI
Muse Spark 1.3
Meta
At a glanceGPT-6 AstraMuse Spark 1.3
Analyzer Index95.0 (7/13)89.3 (4/13)
Blended price$10.00/M$2.00/M
Cheapest hostmaker's APImaker's API
Context1.1M1.0M
Output speed—168 tok/s
Time to first token—3.43 s
BenchmarkGPT-6 AstraMuse Spark 1.3
Chatbot Arena Elo

Arena

Output Speed

Speed

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Time to First Token

TTFT

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Rolling Contamination-Controlled Average

Rolling Avg

Rolling Data Analysis

Data Analysis

SimpleQA Verified

SimpleQA

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OTIS Mock AIME 2024-2025

OTIS AIME

Humanity's Last Exam

HLE

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ARC-AGI 2

ARC-AGI 2

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Frontier Composite

Frontier

Output Stability

Stability

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Format Adherence

Format

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Recovery Rate

Recovery

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Safety Handling

Safety

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Methodology matches the main AI Model Analyzer About page.