TokenCalc AI
Head-to-Head Architectural Faceoff (2026 Live)

GPT-6 Astra vs GPT-6.1 Sol

Compare GPT-6 Astra vs GPT-6.1 Sol API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.

AI Overview & Search Executive Summary

GPT-6 Astra charges $10.00/1M input and $50.00/1M output tokens, compared to GPT-6.1 Sol at $2.00/1M input and $10.00/1M output. GPT-6.1 Sol is 5.0x cheaper on input tokens. In reasoning benchmarks, GPT-6 Astra holds the higher AA Intelligence Index rating (57/100). For latency-critical streaming, GPT-6 Astra delivers 47 t/s (192.0s TTFT) while GPT-6.1 Sol provides 55 t/s (138.0s TTFT).

Overall Winner
GPT-6 Astra
Best Price/IQ Balance
Budget Winner
GPT-6.1 Sol
GPT-6.1 Sol is 5.0x cheaper on input tokens
Coding & Logic
GPT-6 Astra
Higher Benchmark Rating
Context Window
GPT-6 Astra
Larger Document Context

Full Metric & Specification Comparison

MetricGPT-6 AstraGPT-6.1 SolAdvantage
ProviderOpenAIOpenAI-
Input Token Cost (1M)$10.000$2.000GPT-6.1 Sol
Output Token Cost (1M)$50.000$10.000GPT-6.1 Sol
Context Window1,050k tokens1,050k tokensTie
AA Intelligence Index57/10055/100GPT-6 Astra
Streaming LatencyDeliberateModerate-

Key Architectural Takeaways

  • Input Token Cost: GPT-6 Astra is $10.00/1M vs GPT-6.1 Sol at $2.00/1M
  • Output Token Cost: GPT-6 Astra is $50.00/1M vs GPT-6.1 Sol at $10.00/1M
  • Context Window: GPT-6 Astra supports 1,050k tokens vs GPT-6.1 Sol with 1,050k tokens
  • Benchmark Intelligence Rating: GPT-6 Astra scores 57/100 vs GPT-6.1 Sol at 55/100 (AA Index v5)
  • Inference Latency: GPT-6 Astra is rated Deliberate vs GPT-6.1 Sol rated Moderate
Interactive Head-to-Head Simulator

Calculate Your Team's Exact Bill Difference

Drag the sliders below to see real-time cost divergences based on your daily token consumption.

Daily Input Tokens500,000 tokens
10k1M5M10M+
Daily Output Tokens250,000 tokens
5k500k2M5M+
GPT-6 AstraOpenAI
$525.00/mo
$10.00/1M in · $50.00/1M out
IQ Score57/100
Throughput47 t/s
Context1050k
GPT-6.1 SolOpenAI
80.0% Lower Cost
$105.00/mo
$2.00/1M in · $10.00/1M out
IQ Score55/100
Throughput55 t/s
Context1050k
Net Financial Advantage

Deploying GPT-6.1 Sol over GPT-6 Astra saves $420.00/mo ($5040/yr) at this volume.

See all GPT-6 Astra alternatives →

Frequently Asked Questions

Is GPT-6 Astra cheaper than GPT-6.1 Sol?

GPT-6.1 Sol is significantly more economical, charging $2.00/1M input compared to $10.00/1M for GPT-6 Astra.

Which model should I choose for production?

If your primary constraint is API cost and high query throughput, choose GPT-6.1 Sol. If you require peak reasoning accuracy and complex tool use, GPT-6 Astra is recommended.

How does context window compare between GPT-6 Astra and GPT-6.1 Sol?

GPT-6 Astra offers the larger context window (1,050k tokens), allowing you to pass significantly larger codebases or documents without chunking.

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