Kimi K2.5 vs Step-3.5-Flash

Data-driven comparison powered by the gentic.news knowledge graph

Kimi K2.5: stable
Step-3.5-Flash: rising
competes with (1 sources)

Kimi K2.5

ai model

METRIC

Step-3.5-Flash

ai model

3
Total Mentions
1
3
Last 30 Days
1
1
Last 7 Days
1
stable
Momentum
rising
Positive (+0.27)
Sentiment (30d)
Positive (+0.80)
Mar 4, 2026
First Covered
Mar 24, 2026
Kimi K2.5 leads by 3.0x

Ecosystem

Kimi K2.5

No mapped relationships

Step-3.5-Flash

usesSparse Mixture-of-Experts1 sources
competes withKimi K2.51 sources
competes withClaude Opus 4.61 sources
usesAIME 20251 sources
usesLiveCodeBench v61 sources

Kimi K2.5

Kimi K2.5 is an open-source, multimodal AI model from Moonshot AI, featuring 1 trillion parameters, vision capabilities, and Agent Swarm technology for complex task orchestration.

Step-3.5-Flash

Step-3.5-Flash, developed by StepFun, is a 196B parameter open-source model that uses a sparse mixture-of-experts architecture with 11B active parameters to deliver frontier-level reasoning and coding performance efficiently.

Recent Events

Kimi K2.5

No timeline events

Step-3.5-Flash

2026-02-24

Open-source MoE model released, outperforming Kimi K2.5 and Claude Opus 4.5 on key benchmarks with 18.9x lower operational cost.

Articles Mentioning Both (1)

Kimi K2.5 Profile|Step-3.5-Flash Profile|Knowledge Graph
Kimi K2.5 vs Step-3.5-Flash — AI Comparison 2026 | gentic.news