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GPT 5.6 Sol vs GPT 6 Sol

Compare GPT 5.6 Sol from OpenAI and GPT 6 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 5.6 SolOpenAIGPT 6 Sol
OpenAI logo
GPT 5.6 Sol
OpenAI · text, image → text

GPT‑5.6 Sol sets a new standard for both intelligence and efficiency, achieving state-of-the-art results across coding, knowledge work, cybersecurity, and science while outperforming previous and competing frontier models with fewer tokens and at lower estimated cost.

Input$4 /M
Output$20 /M
OpenAI logo
GPT 6 Sol
OpenAI · text, image → text

GPT-6 Sol is OpenAI's latest model in the GPT-6 series, specifically designed for complex programming and agent workflows.

Input$2 /M
Output$10 /M
Cache read$0.2 /M

Pricing & Specifications

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

GPT 5.6 Sol
GPT 6 Sol
Input /M
$4
$2
Output /M
$20
$10
Cache read /M
-
$0.2
Context length
1,050,000
1,050,000
Max output
128,000
128,000
Time to First Token
5.2 s
7.3 s
Throughput
49.9 tok/s
57.1 tok/s
Modalities
textimage
textimage
Supported Parameters
toolsthinkingstructured outputs
API Formats
chat_completions · responses
Released
July 9, 2026
September 23, 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-5.6-solgpt-6-sol

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

gpt-5.6-solgpt-6-sol

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

Cost calculator

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

GPT 6 Sol
$270 /mo
GPT 5.6 Sol
$540 /mo

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

FAQ

Which is cheaper: GPT 5.6 Sol, GPT 6 Sol?

GPT 6 Sol: $10/M output tokens; GPT 5.6 Sol: $20/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

GPT 5.6 Sol: 5.2s 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 5.6 Sol accepts 1,050,000 and GPT 6 Sol accepts 1,050,000 input tokens. Maximum output per request is 128,000 tokens on GPT 5.6 Sol and 128,000 tokens on GPT 6 Sol.

Which one generates tokens faster?

GPT 6 Sol at 57.1 tok/s and GPT 5.6 Sol at 49.9 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 5.6 Sol accepts text and image input and supports tool calling, thinking and structured outputs; GPT 6 Sol accepts text and image input.

Can I call GPT 5.6 Sol and GPT 6 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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