Side-by-side · API pricing
DeepSeek R1 vs GPT-5.5 Pro
DeepSeek R1 is +4186% cheaper than GPT-5.5 Pro on input tokens ($0.70 vs $30.00 per 1M). On output, DeepSeek R1 also wins ($2.50 vs $180.00).
DeepSeek · OpenAI · Verified daily.
Model A
DeepSeek R1
DeepSeek
- Input / 1M
- $0.70
- Output / 1M
- $2.50
- Context window
- —
- Platforms tracked
- 1
Model B
GPT-5.5 Pro
OpenAI
- Input / 1M
- $30.00
- Output / 1M
- $180.00
- Context window
- —
- Platforms tracked
- 1
Per-platform pricing
Both models tracked across official and reseller platforms. Lowest input price wins on cost-sensitive workloads.
DeepSeek R1
- openrouter$0.70 / $2.50
GPT-5.5 Pro
- direct$30.00 / $180.00
Frequently asked questions
- Which is cheaper, DeepSeek R1 or GPT-5.5 Pro?
- DeepSeek R1 is +4186% cheaper than GPT-5.5 Pro on input tokens ($0.70 vs $30.00 per 1M). On output, DeepSeek R1 also wins ($2.50 vs $180.00).
- Where does this comparison data come from?
- ModelPriceLab crawls official vendor pricing pages and verified third-party platforms daily. Both DeepSeek R1 and GPT-5.5 Pro are tracked on the same schedule.
- Can I get notified when either price changes?
- Yes — Pro subscribers receive email alerts when input or output prices change for any tracked model.
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