GPT-5.6 Sol vs o3 Pro: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
OpenAI
GPT-5.6 Sol
Pricing (per 1M tokens)
Input$4.00
Output$20.00
Cached Input$0.4000
Batch Input$2.00
Batch Output$10.00
Context & Output
Context Window1M tokens
Max Output128K tokens
Capabilities
Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
OpenAI
o3 Pro
Pricing (per 1M tokens)
Input$20.00
Output$80.00
Context & Output
Context Window200K tokens
Max Output100K tokens
Capabilities
Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
GPT-5.6 Sol
80.0% cheaper
Cheaper Output Price
GPT-5.6 Sol
75.0% cheaper
Larger Context Window
GPT-5.6 Sol
+800K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
GPT-5.6 Sol
$24.00
$4.00/1M input + $20.00/1M output
o3 Pro
$100.00
$20.00/1M input + $80.00/1M output
GPT-5.6 Sol is 76.0% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, GPT-5.6 Sol or o3 Pro?
For input tokens, GPT-5.6 Sol is cheaper at $4.00 per 1M tokens. For output tokens, GPT-5.6 Sol is cheaper at $20.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of GPT-5.6 Sol vs o3 Pro?
GPT-5.6 Sol has a context window of 1M tokens, while o3 Pro has 200K tokens. GPT-5.6 Sol supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
Need more tools?
Explore our complete suite of LLM calculators and comparison tools.