Compare GPT-5 Mini by OpenAI against Kimi K2 Thinking by Moonshot AI, in 3 community votes, kimi k2 thinking wins 67% of head-to-head duels, tested across 54 shared challenges. Updated April 2026.
Kimi K2 Thinking is the better choice overall, winning 67% of 3 blind community votes on Rival. GPT-5 Mini costs $0.25/M input tokens vs $0.6/M for Kimi K2 Thinking. Compare their real outputs side by side below.
GPT-5 Mini is made by openai while Kimi K2 Thinking is from moonshotai. On pricing, GPT-5 Mini costs $0.25/M input tokens vs $0.6/M for Kimi K2 Thinking. In community voting, In 3 community votes, Kimi K2 Thinking wins 67% of head-to-head duels.
In 3 community votes, Kimi K2 Thinking wins 67% of head-to-head duels. Kimi K2 Thinking has the edge overall, but performance varies by task type. Based on blind community voting from the Rival open dataset of 3+ human preference judgments for this pair.
Pick Kimi K2 Thinking. In 3 blind votes, Kimi K2 Thinking wins 67% of the time. That's not luck.
Kimi K2 Thinking uses 582.4x more bold
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 GPT-5 Mini by OpenAI against Kimi K2 Thinking by Moonshot AI, in 3 community votes, kimi k2 thinking wins 67% of head-to-head duels, tested across 54 shared challenges. Updated April 2026.
Kimi K2 Thinking is the better choice overall, winning 67% of 3 blind community votes on Rival. GPT-5 Mini costs $0.25/M input tokens vs $0.6/M for Kimi K2 Thinking. Compare their real outputs side by side below.
GPT-5 Mini is made by openai while Kimi K2 Thinking is from moonshotai. On pricing, GPT-5 Mini costs $0.25/M input tokens vs $0.6/M for Kimi K2 Thinking. In community voting, In 3 community votes, Kimi K2 Thinking wins 67% of head-to-head duels.
In 3 community votes, Kimi K2 Thinking wins 67% of head-to-head duels. Kimi K2 Thinking has the edge overall, but performance varies by task type. Based on blind community voting from the Rival open dataset of 3+ human preference judgments for this pair.
Pick Kimi K2 Thinking. In 3 blind votes, Kimi K2 Thinking wins 67% of the time. That's not luck.
Kimi K2 Thinking uses 582.4x more bold
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.
