Compare DeepSeek V3 (March 2024) by DeepSeek against o3 Mini by OpenAI, context windows of 128K vs 64K, tested across 53 shared challenges. Updated April 2026.
DeepSeek V3 (March 2024) and o3 Mini are both competitive models. DeepSeek V3 (March 2024) costs $0.14/M input tokens vs $1.1/M for o3 Mini. Context windows: 128K vs 64K tokens. Compare their real outputs side by side below.
DeepSeek V3 (March 2024) is made by deepseek while o3 Mini is from openai. DeepSeek V3 (March 2024) has a 128K token context window compared to o3 Mini's 64K. On pricing, DeepSeek V3 (March 2024) costs $0.14/M input tokens vs $1.1/M for o3 Mini.
No community votes yet. On paper, DeepSeek V3 (March 2024) has the edge — bigger model tier, bigger context window.
DeepSeek V3 (March 2024) is 16x cheaper per token — worth considering if cost matters.
DeepSeek V3 (March 2024) uses 25.6x 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 (March 2024) by DeepSeek against o3 Mini by OpenAI, context windows of 128K vs 64K, tested across 53 shared challenges. Updated April 2026.
DeepSeek V3 (March 2024) and o3 Mini are both competitive models. DeepSeek V3 (March 2024) costs $0.14/M input tokens vs $1.1/M for o3 Mini. Context windows: 128K vs 64K tokens. Compare their real outputs side by side below.
DeepSeek V3 (March 2024) is made by deepseek while o3 Mini is from openai. DeepSeek V3 (March 2024) has a 128K token context window compared to o3 Mini's 64K. On pricing, DeepSeek V3 (March 2024) costs $0.14/M input tokens vs $1.1/M for o3 Mini.
No community votes yet. On paper, DeepSeek V3 (March 2024) has the edge — bigger model tier, bigger context window.
DeepSeek V3 (March 2024) is 16x cheaper per token — worth considering if cost matters.
DeepSeek V3 (March 2024) uses 25.6x 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.
