The Known Good Updated 29 Jul 2026
MoonshotAI: Kimi K2.6 vs OpenAI: o1 ·Moonshot AI vs OpenAI

MoonshotAI: Kimi K2.6 vs OpenAI: o1 — head-to-head comparison

MoonshotAI: Kimi K2.6 profile OpenAI: o1 profile All comparisons
MoonshotAI: Kimi K2.6 — Moonshot AI
Quality
#7 of 62
93based on 3 of 7 evaluations
Known Good Index
Speed
#122 of 317
58.8
Output tokens per second
Price
#225 of 370
$1.16
Blended per 1M tokens
In $0.65 · Out $2.72
Cache hit price
#119 of 238
$0.11
per 1M tokens (−83%)
Context
#199 of 375
262k
tokens (~400 pages)
OpenAI: o1 — OpenAI
Quality
#28 of 62
70based on 5 of 7 evaluations
Known Good Index
Speed
#105 of 317
62.3
Output tokens per second
Price
#360 of 370
$26.25
Blended per 1M tokens
In $15.00 · Out $60.00
Cache hit price
#238 of 238
$7.50
per 1M tokens (−50%)
Context
#228 of 375
200k
tokens (~300 pages)
Summary

On the Known Good Index, MoonshotAI: Kimi K2.6 scores 93 and OpenAI: o1 scores 70 — a 23-point lead for MoonshotAI: Kimi K2.6. They share 2 published evaluations, with MoonshotAI: Kimi K2.6 ahead on 2 and OpenAI: o1 ahead on 0.

Blended pricing is $1.16 per 1M tokens for MoonshotAI: Kimi K2.6 and $26.25 for OpenAI: o1 — MoonshotAI: Kimi K2.6 is about 22.5× cheaper.

Throughput is 59 tokens per second for MoonshotAI: Kimi K2.6 and 62 for OpenAI: o1, with time to first token at 1.4s and 4.5s. MoonshotAI: Kimi K2.6 accepts 262k tokens of context against 200k.

MoonshotAI: Kimi K2.6 is open weights under Open weights (unrestricted); OpenAI: o1 is proprietary. 23 tracked hosts serve one or both.

Generated from tracked data on 29 Jul 2026 · how these comparisons are computed →

At a glance
MetricMoonshotAI: Kimi K2.6OpenAI: o1
Known Good Index 93 based on 3 of 7 evaluations 70 based on 5 of 7 evaluations
Blended $/1M $1.16 $26.25
Output tok/s 59 62
Context window 262k 200k
Providers 22 1
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Quality

Known Good Index and the capability indices, side by side

Index scores

Each index is min-max normalised across tracked models and scaled 0–100 from published evaluations. We do not run these evaluations.

MetricMoonshotAI: Kimi K2.6OpenAI: o1
Known Good Index 93 70
Mathematics Index 96 85
Reasoning Index 62
Agentic Index 87
Openness Index 60 5
The Known Good

Quality Breakdown

Every evaluation both models report a published score for

Evaluations both models report

Bar = MoonshotAI: Kimi K2.6 · marker = OpenAI: o1 · scores ingested from Epoch AI (CC-BY 4.0)

GPQA Diamond91 / 77
Mock AIME 2024–2596 / 73

Right-hand figures read MoonshotAI: Kimi K2.6 / OpenAI: o1. MoonshotAI: Kimi K2.6 leads on 2 of 2, OpenAI: o1 on 0.

The Known Good

Arena Elo

Human preference rating from blind pairwise votes

Arena ratings

Elo from blind pairwise votes, ingested from Arena. Higher is better.

MetricMoonshotAI: Kimi K2.6OpenAI: o1
Text Arena 1,455
Text Arena (style controlled) 1,461
The Known Good

Price & Cost

Published API pricing by token type

Published pricing

USD per 1M tokens. Blended is a 3:1 input:output mix. Live from OpenRouter, cross-checked against models.dev. Lower is better.

MetricMoonshotAI: Kimi K2.6OpenAI: o1
Input $/1M $0.65 $15.00
Output $/1M $2.72 $60.00
Blended $/1M $1.16 $26.25
Cache read $/1M $0.109 $7.500
The Known Good
We publish blended price rather than cost-per-task. Cost-per-task requires token counts from an evaluation suite we do not run. Blended price is computed from published rates and is fully reproducible — see the pricing methodology.

Context Window

Maximum input accepted and maximum output emitted

Context and output limits

Provider-declared limits, from metadata via models.dev and OpenRouter. Higher is better.

MetricMoonshotAI: Kimi K2.6OpenAI: o1
Context window 262k 200k
Max output tokens 262k 100k
The Known Good

Speed & Latency

Median throughput and time to first token across hosting providers

Output speedTime to first token
Throughput and latency

Medians across all tracked providers, derived from OpenRouter endpoint telemetry.

MetricMoonshotAI: Kimi K2.6OpenAI: o1
Output tokens/s 59 62
Time to first token 1.4s 4.5s
The Known Good

Providers

Which hosts serve each model, and at what price and speed

23 hosts
Full provider benchmarks →
Provider MoonshotAI: Kimi K2.6 blendedMoonshotAI: Kimi K2.6 tok/s OpenAI: o1 blendedOpenAI: o1 tok/s
Together $2.02 138
CoreWeave $1.34 135
Parasail $1.44 128
BaseTen $1.71 127
Fireworks $1.71 86
Decart $1.34 76
ModelRun $1.38 76
Cloudflare $1.71 56
Inceptron $1.30 52
DigitalOcean $1.37 51
Crusoe $1.40 50
Phala $1.97 42
Baidu · first party $1.16 42
Chutes $1.37 42
DeepInfra $1.44 38
Venice $1.44 36
AtlasCloud $1.71 34
SiliconFlow $1.43 34
Novita $1.45 31
StreamLake $1.54 31
Moonshot AI · first party $1.71 23
Sail Research $1.75 6
OpenAI · first party $26.25

Per-host pricing and telemetry from OpenRouter. A dash means that host does not serve that model.

The Known Good
Sources for this page
Pricing & providers — OpenRouter Metadata — models.dev Benchmarks — Epoch AI (CC-BY 4.0)Elo — Arena Full attribution →