The Known Good Updated 25 Jul 2026
claude-3-7-sonnet-20250219 vs MoonshotAI: Kimi K2.6 ·Anthropic vs Moonshot AI

claude-3-7-sonnet-20250219 vs MoonshotAI: Kimi K2.6 — head-to-head comparison

claude-3-7-sonnet-20250219 profile MoonshotAI: Kimi K2.6 profile All comparisons
claude-3-7-sonnet-20250219 — Anthropic
Quality
#23 of 61
70based on 4 of 6 evaluations
Known Good Index
Speed
unranked
Output tokens per second
Price
unranked
Blended per 1M tokens
Cache hit price
unranked
per 1M tokens
Context
unranked
tokens
MoonshotAI: Kimi K2.6 — Moonshot AI
Quality
#7 of 61
93based on 3 of 6 evaluations
Known Good Index
Speed
#112 of 316
65.7
Output tokens per second
Price
#211 of 340
$1.16
Blended per 1M tokens
In $0.65 · Out $2.72
Cache hit price
#99 of 206
$0.11
per 1M tokens (−83%)
Context
#172 of 345
262k
tokens (~400 pages)
Summary

On the Known Good Index, claude-3-7-sonnet-20250219 scores 70 and MoonshotAI: Kimi K2.6 scores 93 — a 23-point lead for MoonshotAI: Kimi K2.6. They share 3 published evaluations, with claude-3-7-sonnet-20250219 ahead on 0 and MoonshotAI: Kimi K2.6 ahead on 3.

Published pricing is tracked for MoonshotAI: Kimi K2.6 only, at $1.16 per 1M tokens blended.

claude-3-7-sonnet-20250219 is proprietary; MoonshotAI: Kimi K2.6 is open weights under Open weights (unrestricted). 21 tracked hosts serve one or both.

Generated from tracked data on 25 Jul 2026 · how these comparisons are computed →

At a glance
Metricclaude-3-7-sonnet-20250219MoonshotAI: Kimi K2.6
Known Good Index 70 based on 4 of 6 evaluations 93 based on 3 of 6 evaluations
Blended $/1M $1.16
Output tok/s 66
Context window 262k
Providers 0 21
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Quality

Known Good Index and the capability indices, side by side

IndicesComponents
Index scores

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

Metricclaude-3-7-sonnet-20250219MoonshotAI: Kimi K2.6
Known Good Index 70 93
Coding Index 71
Mathematics Index 72 96
Science Index 78 95
Reasoning Index 84
Agentic Index 57 87
Openness Index 5 60
The Known Good

Quality Breakdown

Every evaluation both models report a published score for

Evaluations both models report

Bar = claude-3-7-sonnet-20250219 · marker = MoonshotAI: Kimi K2.6 · scores ingested from Epoch AI (CC-BY 4.0)

GPQA Diamond77 / 91
MATH / AIME53 / 96
SWE-bench Verified61 / 77

Right-hand figures read claude-3-7-sonnet-20250219 / MoonshotAI: Kimi K2.6. claude-3-7-sonnet-20250219 leads on 0 of 3, MoonshotAI: Kimi K2.6 on 3.

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.

Metricclaude-3-7-sonnet-20250219MoonshotAI: Kimi K2.6
Text Arena 1,299 1,455
Text Arena (style controlled) 1,371 1,461
The Known Good

Price & Cost

Published API pricing by token type

Per token typeCache discount
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.

Metricclaude-3-7-sonnet-20250219MoonshotAI: Kimi K2.6
Input $/1M $0.65
Output $/1M $2.72
Blended $/1M $1.16
Cache read $/1M $0.109
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.

Metricclaude-3-7-sonnet-20250219MoonshotAI: Kimi K2.6
Context window 262k
Max output tokens 262k
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.

Metricclaude-3-7-sonnet-20250219MoonshotAI: Kimi K2.6
Output tokens/s 66
Time to first token 1.1s
The Known Good

Providers

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

21 hosts
Full provider benchmarks →
Provider claude-3-7-sonnet-20250219 blendedclaude-3-7-sonnet-20250219 tok/s MoonshotAI: Kimi K2.6 blendedMoonshotAI: Kimi K2.6 tok/s
CoreWeave $1.34 156
Together $2.02 130
Decart $1.35 123
Fireworks $1.71 111
ModelRun $1.38 99
Crusoe $1.40 69
DeepInfra $1.44 57
Cloudflare $1.71 56
Venice $1.44 54
DigitalOcean $1.37 53
SiliconFlow $1.43 50
Chutes $1.37 49
AtlasCloud $1.71 44
StreamLake $1.54 44
Novita $1.45 43
Parasail $1.44 42
Moonshot AI · first party $1.71 40
Inceptron $1.30 39
Baidu · first party $1.16 32
BaseTen $1.71
Phala $1.97

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 →