Compare · ModelsLive · 2 picked · head to head
Kimi K3 vs Step 5 Preview
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Kimi K3 wins on 5/7 benchmarks
Kimi K3 wins 5 of 7 shared benchmarks. Leads in speed.
Category leads
speed·Kimi K3
Hype vs Reality
Attention vs performance
Kimi K3
#54 by perf·#18 by attention
Step 5 Preview
no bench·no signal
Vendor risk
Mixed exposure
One or more vendors flagged
Moonshot AI
$50.0B·Tier 1
StepFun
$5.0B·Tier 1
Head to head
7 benchmarks · 2 models
Kimi K3Step 5 Preview
Artificial Analysis · CritPt
Kimi K3 leads by +2.5
Kimi K3
23.4
Step 5 Preview
20.9
Artificial Analysis · GDPval
Step 5 Preview leads by +2.6
Kimi K3
51.7
Step 5 Preview
54.3
Artificial Analysis · Humanity's Last Exam
Kimi K3 leads by +0.4
Kimi K3
46.9
Step 5 Preview
46.5
Artificial Analysis · Long Context Reasoning
Kimi K3 leads by +0.4
Kimi K3
88.7
Step 5 Preview
88.3
Artificial Analysis · MMMU Pro
Kimi K3 leads by +4.1
Kimi K3
80.5
Step 5 Preview
76.4
Artificial Analysis · Quality Index
Step 5 Preview leads by +0.1
Kimi K3
43.6
Step 5 Preview
43.7
Artificial Analysis · SciCode
Kimi K3 leads by +0.6
Kimi K3
59.5
Step 5 Preview
58.9
Full benchmark table
| Benchmark | Kimi K3 | Step 5 Preview |
|---|---|---|
Artificial Analysis · CritPt | 23.4 | 20.9 |
Artificial Analysis · GDPval | 51.7 | 54.3 |
Artificial Analysis · Humanity's Last Exam | 46.9 | 46.5 |
Artificial Analysis · Long Context Reasoning | 88.7 | 88.3 |
Artificial Analysis · MMMU Pro | 80.5 | 76.4 |
Artificial Analysis · Quality Index | 43.6 | 43.7 |
Artificial Analysis · SciCode | 59.5 | 58.9 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.45 | $15.00 | 1.0M tokens (~524 books) | $40.88 | |
| $1.00 | $2.70 | 1.0M tokens (~524 books) | $14.25 |