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GPT 6 Astra vs GPT 6.1 Sol

Compare GPT 6 Astra from OpenAI and GPT 6.1 Sol from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

OpenAIGPT 6 AstraOpenAIGPT 6.1 Sol
OpenAI logo
GPT 6 Astra
OpenAI · text, image → text

GPT-6 Astra is OpenAI's newest and most intelligent model, with industry-leading performance in computer operations, web browsing, software engineering, scientific research, and professional work. It excels at executing multi-step workflows across code, browsers, and various professional software. Astra can achieve better results with significantly fewer output tokens, making its estimated API cost per task lower.

Input$10 /M
Output$50 /M
Cache read$1 /M
OpenAI logo
GPT 6.1 Sol
OpenAI · text, image → text

GPT-6.1 Sol is OpenAI's latest model in the GPT-6 series, specifically designed for complex programming and agent workflows. GPT-6.1 Sol's performance in complex programming, computer operations, and professional work tasks is close to Astra, but at a lower cost. You can compare the two on your own tasks to weigh quality against cost.

Input$2 /M
Output$10 /M
Cache read$0.1 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

GPT 6 Astra
GPT 6.1 Sol
Input /M
$10
$2
Output /M
$50
$10
Cache read /M
$1
$0.1
Context length
1,050,000
1,050,000
Max output
128,000
0
Time to First Token
12.3 s
8.8 s
Throughput
32.2 tok/s
35.9 tok/s
Modalities
textimage
textimage
Supported Parameters
toolsthinkingstructured outputs
API Formats
chat_completions · responses
Released
September 5, 2026
September 30, 2026

Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

gpt-6-astragpt-6.1-sol

Tokens / day

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Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

gpt-6-astragpt-6.1-sol

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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Cost calculator

Estimate your monthly bill for the same workload on each model.

GPT 6.1 Sol
$270 /mo
GPT 6 Astra
$1,350 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: GPT 6 Astra, GPT 6.1 Sol?

GPT 6.1 Sol: $10/M output tokens; GPT 6 Astra: $50/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

GPT 6.1 Sol: 8.8s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

GPT 6 Astra accepts 1,050,000 and GPT 6.1 Sol accepts 1,050,000 input tokens.

Which one generates tokens faster?

GPT 6.1 Sol at 35.9 tok/s and GPT 6 Astra at 32.2 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

GPT 6 Astra accepts text and image input and supports tool calling, thinking and structured outputs; GPT 6.1 Sol accepts text and image input.

Can I call GPT 6 Astra and GPT 6.1 Sol with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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