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Compare / head-to-head

Kimi K2.6vsStep 3.7 Flash

Kimi K2.6 leads 1 of 1 shared benchmark. Both offer a 256K-token context window.

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
1 – 0
Kimi K2.6 leads
Cheaper per token
list price, input + output
Larger context
Tie
both 256K tokens
Provider uptime (30d)
100% · —
Moonshot AI · StepFun
Kimi K2.6
Moonshot AI · released 2026-04-20
textvision
Context
256K
Max out
Input /1M
Output /1M
Cached /1M
Scores
14 · 8 core
Step 3.7 Flash
StepFun · released 2026-05-29
textvision
Context
256K
Max out
Input /1M
Output /1M
Cached /1M
Scores
19 · 6 core
Quality

Benchmark matrix

BenchmarkKimi K2.6Step 3.7 FlashΔEdge
Reported by both · 1
AIME 202695.8% matharena95% matharena+0.8 ptKimi K2.6
Only Kimi K2.6 reports · 13
GPQA Diamond90.8% epochnot reported
LMArena Elo1454.9 not reported
FrontierMath Tier 4 v2 (Epoch AI run)25.6% epochnot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)57.2% epochnot reported
Kimi Claw 24/7 Bench42.9% not reported
Kimi Code Bench v250.9% not reported
MCP-Atlas69.4% not reported
MCPMark-Verified72.8% not reported
MLS-Bench-Lite26.7% not reported
OTIS Mock AIME 2024-2025 (Epoch AI run)96.1% epochnot reported
ProgramBench48.3% not reported
SimpleQA Verified34.9% epochnot reported
SWE-bench Verified (Epoch AI run)76.7% epochnot reported
Only Step 3.7 Flash reports · 18
SWE-bench Verifiednot reported76.5%
AA-LCRnot reported63.9%
BrowseCompnot reported75.8%
ClawEval v1.1not reported67.1%
DeepSearchQA Accuracynot reported81.7%
DeepSearchQA F1not reported92.8%
GDPval-Stirrupnot reported1415.8
GDPval-Stirrup Intelligence Indexnot reported45.8
HLE (with tools, text-only)not reported49.7%
HLE (with tools)not reported47.2%
ResearchRubricsnot reported71.7%
SimpleVQA (with tools)not reported79.2%
SWE-bench Multilingualnot reported72.4%
SWE-bench Pronot reported56.3%
Terminal-Bench 2.1not reported59.6%
Toolathlonnot reported49.5%
V* (with Python)not reported95.3%
WorldVQA (with visual search)not reported58.1%
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Kimi K2.6 minus Step 3.7 Flash in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecKimi K2.6Step 3.7 FlashEdge
Context window256K tokens256K tokensTie
Max output
Input price / 1M
Output price / 1M
Cached input / 1M
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
Modalitiestext · visiontext · visionTie
Released2026-04-202026-05-29
Cited benchmark scores1419
Reliability

Provider status

All providers
More matchups

Kimi K2.6 vs …

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