ModelsCompareBest forBenchmarksStatusPricingAPI
Compare / head-to-head

Kimi K2.6vso3

Kimi K2.6 leads 4 of 5 shared benchmarks. Kimi K2.6 has the larger context window (256K tokens).

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

Shared benchmarks
4 – 1
Kimi K2.6 leads
Cheaper per token
list price, input + output
Larger context
Kimi K2.6
256K tokens
Provider uptime (30d)
100% · 95%
Moonshot AI · OpenAI
Kimi K2.6
Moonshot AI · released 2026-04-20
textvision
Context
256K
Max out
Input /1M
Output /1M
Cached /1M
Scores
14 · 8 core
o3
OpenAI · released 2025-04-16
textvision
Context
200K
Max out
100K
Input /1M
$2
Output /1M
$8
Cached /1M
$0.5
Scores
7 · 7 core
Quality

Benchmark matrix

BenchmarkKimi K2.6o3ΔEdge
Reported by both · 5
GPQA Diamond90.8% epoch81.8% epoch+9 ptKimi K2.6
FrontierMath Tiers 1-3 v2 (Epoch AI run)57.2% epoch33.3% epoch+23.9 ptKimi K2.6
OTIS Mock AIME 2024-2025 (Epoch AI run)96.1% epoch84.4% epoch+11.7 ptKimi K2.6
SimpleQA Verified34.9% epoch49.4% epoch-14.5 pto3
SWE-bench Verified (Epoch AI run)76.7% epoch62.3% epoch+14.4 ptKimi K2.6
Only Kimi K2.6 reports · 9
AIME 202695.8% matharenanot reported
LMArena Elo1454.9 not reported
FrontierMath Tier 4 v2 (Epoch AI run)25.6% 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
ProgramBench48.3% not reported
Only o3 reports · 2
SWE-bench Verifiednot reported69.1%
AIME 2025not reported89.2% matharena
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 o3 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 K2.6o3Edge
Context window256K tokens200K tokensKimi K2.6
Max output100K tokens
Input price / 1M$2
Output price / 1M$8
Cached input / 1M$0.5
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$10
Modalitiestext · visiontext · visionTie
Released2026-04-202025-04-16
Cited benchmark scores147
Reliability

Provider status

All providers
More matchups

Kimi K2.6 vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run Kimi K2.6 and o3 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.