Time to First Token · GPT-5.5 (xhigh)
300ms
Time to First Token · GPT-5.6 Sol (high)
300ms
GPT-5.5 (xhigh) vs GPT-5.6 Sol (high): The Ultimate Performance & Pricing Comparison
Deep dive into reasoning, benchmarks, and latency insights.
The Final Verdict in the GPT-5.5 (xhigh) vs GPT-5.6 Sol (high) ShowdownGPT-5.6 Sol (high) leads on 1 of 7 metrics
GPT-5.6 Sol (high) takes this matchup on raw intelligence and reasoning. Pick GPT-5.5 (xhigh) when faster response times and cost-efficiency matters more.
Model Snapshot
Key decision metrics at a glance.
GPT-5.5 (xhigh)GPT-5.6 Sol (high)
6.0
Reasoning6.0
7.0
Coding8.0
5.0
Multimodal5.0
7.0
Long Context7.0
$0.011
Blended Price / 1M tokens$0.011
1000ms
P95 Latency1000ms
—
Tokens per second74
GPT-5.6 Sol (high) leads on 1 of 7 metrics
Data provided by artificialanalysis.ai
Overall Capabilities
This radar chart visually maps the core capabilities (reasoning, coding, math proxy, multimodal, long context) of `GPT-5.5 (xhigh)` vs `GPT-5.6 Sol (high)`.
GPT-5.5 (xhigh)GPT-5.6 Sol (high)
Benchmark Breakdown
This grouped bar chart provides a side-by-side comparison for each benchmark metric.
6060
MMLU Pro4848
AIME7080
LiveCodeBench5454
GSM8KGPT-5.5 (xhigh)GPT-5.6 Sol (high)
Speed & Latency
Lower time to first token is better; higher tokens per second is better.
Tokens per Second · GPT-5.5 (xhigh)
53
Tokens per Second · GPT-5.6 Sol (high)
73.648
The Economics of GPT-5.5 (xhigh) vs GPT-5.6 Sol (high)
Pricing Breakdown
Compare input and output pricing at a glance.
$0.005$0.005
Input Pricing$0.03$0.03
Output PricingGPT-5.5 (xhigh)GPT-5.6 Sol (high)
Real-World Cost Scenario
Per run: 1M input tokens + 250k output tokensGPT-5.5 (xhigh)$0.013
GPT-5.6 Sol (high)$0.013
Which Model Wins the GPT-5.5 (xhigh) vs GPT-5.6 Sol (high) Battle for You?
Choose GPT-5.5 (xhigh) if...
No measurable edge on these metrics
Choose GPT-5.6 Sol (high) if...
- Stronger coding (8.0 vs 7.0)
Your Questions about the GPT-5.5 (xhigh) vs GPT-5.6 Sol (high) Comparison
Is `GPT-5.5 (xhigh)` a direct replacement for `GPT-5.6 Sol (high)`?
Based on our GPT-5.5 (xhigh) vs GPT-5.6 Sol (high) analysis, they serve different niches. GPT-5.5 (xhigh) is positioned as a more powerful option, but GPT-5.6 Sol (high)'s distinct advantages in areas like speed or cost ensure it remains relevant.
For coding, which is better in the `GPT-5.5 (xhigh) vs GPT-5.6 Sol (high)` debate?
The benchmark data in our GPT-5.5 (xhigh) vs GPT-5.6 Sol (high) comparison shows GPT-5.6 Sol (high) has a clear advantage, scoring 80 on LiveCodeBench versus 70.
How was this `GPT-5.5 (xhigh) vs GPT-5.6 Sol (high)` comparison conducted?
Our GPT-5.5 (xhigh) vs GPT-5.6 Sol (high) comparison uses standardized benchmark data and pricing information directly from the model creators to ensure objectivity and accuracy.