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Kimi K2.6 vs o1

Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.

Kimi K2.6

84

VS

o1

57

0 categoriesvs1 categories

Verified leaderboard positions: Kimi K2.6 #6 · o1 unranked

Pick Kimi K2.6 if you want the stronger benchmark profile. o1 only becomes the better choice if knowledge is the priority.

Category Radar

Head-to-Head by Category

Category Breakdown

Knowledge

o1
53.8vs75.7

+21.9 difference

Operational Comparison

Kimi K2.6

o1

Price (per 1M tokens)

$0.95 / $4

$15 / $60

Speed

N/A

98 t/s

Latency (TTFT)

N/A

32.29s

Context Window

256K

200K

Quick Verdict

Pick Kimi K2.6 if you want the stronger benchmark profile. o1 only becomes the better choice if knowledge is the priority.

Kimi K2.6 is clearly ahead on the provisional aggregate, 84 to 57. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

o1 is also the more expensive model on tokens at $15.00 input / $60.00 output per 1M tokens, versus $0.95 input / $4.00 output per 1M tokens for Kimi K2.6. That is roughly 15.0x on output cost alone. Kimi K2.6 gives you the larger context window at 256K, compared with 200K for o1.

Benchmark Deep Dive

Frequently Asked Questions (2)

Which is better, Kimi K2.6 or o1?

Kimi K2.6 is ahead on BenchLM's provisional leaderboard, 84 to 57. The biggest single separator in this matchup is GPQA, where the scores are 90.5% and 75.7%.

Which is better for knowledge tasks, Kimi K2.6 or o1?

o1 has the edge for knowledge tasks in this comparison, averaging 75.7 versus 53.8. Inside this category, GPQA is the benchmark that creates the most daylight between them.

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Last updated: April 29, 2026

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