Compare DeepSeek V3.2 Speciale by DeepSeek against GPT-5.4 Pro by OpenAI, context windows of 131K vs 1.1M, tested across 17 shared challenges. Updated April 2026.
DeepSeek V3.2 Speciale and GPT-5.4 Pro are both competitive models. DeepSeek V3.2 Speciale costs $0.28/M input tokens vs $30/M for GPT-5.4 Pro. Context windows: 131K vs 1050K tokens. Compare their real outputs side by side below.
DeepSeek V3.2 Speciale is made by deepseek while GPT-5.4 Pro is from openai. DeepSeek V3.2 Speciale has a 131K token context window compared to GPT-5.4 Pro's 1050K. On pricing, DeepSeek V3.2 Speciale costs $0.28/M input tokens vs $30/M for GPT-5.4 Pro.
No community votes yet. On paper, GPT-5.4 Pro has the edge — bigger model tier, newer, bigger context window.
DeepSeek V3.2 Speciale is 429x cheaper per token — worth considering if cost matters.
DeepSeek V3.2 Speciale uses 10.9x more emoji
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

Compare DeepSeek V3.2 Speciale by DeepSeek against GPT-5.4 Pro by OpenAI, context windows of 131K vs 1.1M, tested across 17 shared challenges. Updated April 2026.
DeepSeek V3.2 Speciale and GPT-5.4 Pro are both competitive models. DeepSeek V3.2 Speciale costs $0.28/M input tokens vs $30/M for GPT-5.4 Pro. Context windows: 131K vs 1050K tokens. Compare their real outputs side by side below.
DeepSeek V3.2 Speciale is made by deepseek while GPT-5.4 Pro is from openai. DeepSeek V3.2 Speciale has a 131K token context window compared to GPT-5.4 Pro's 1050K. On pricing, DeepSeek V3.2 Speciale costs $0.28/M input tokens vs $30/M for GPT-5.4 Pro.
No community votes yet. On paper, GPT-5.4 Pro has the edge — bigger model tier, newer, bigger context window.
DeepSeek V3.2 Speciale is 429x cheaper per token — worth considering if cost matters.
DeepSeek V3.2 Speciale uses 10.9x more emoji
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

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