The Known Good Updated 25 Jul 2026
Anthropic: Claude Opus 4.7 vs MoonshotAI: Kimi K2.6 ·Anthropic vs Moonshot AI

Anthropic: Claude Opus 4.7 vs MoonshotAI: Kimi K2.6 — head-to-head comparison

Anthropic: Claude Opus 4.7 profile MoonshotAI: Kimi K2.6 profile All comparisons
Anthropic: Claude Opus 4.7 — Anthropic
Quality
#4 of 61
94based on 5 of 6 evaluations
Known Good Index
Speed
#158 of 316
52.4
Output tokens per second
Price
#314 of 340
$10.00
Blended per 1M tokens
In $5.00 · Out $25.00
Cache hit price
#185 of 206
$0.50
per 1M tokens (−90%)
Context
#83 of 345
1.00M
tokens (~1,500 pages)
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, Anthropic: Claude Opus 4.7 scores 94 and MoonshotAI: Kimi K2.6 scores 93, which puts them level. They share 3 published evaluations, with Anthropic: Claude Opus 4.7 ahead on 2 and MoonshotAI: Kimi K2.6 ahead on 1.

Blended pricing is $10.00 per 1M tokens for Anthropic: Claude Opus 4.7 and $1.16 for MoonshotAI: Kimi K2.6 — MoonshotAI: Kimi K2.6 is about 8.6× cheaper.

Throughput is 52 tokens per second for Anthropic: Claude Opus 4.7 and 66 for MoonshotAI: Kimi K2.6, with time to first token at 1.4s and 1.1s. Anthropic: Claude Opus 4.7 accepts 1.00M tokens of context against 262k.

Anthropic: Claude Opus 4.7 is proprietary; MoonshotAI: Kimi K2.6 is open weights under Open weights (unrestricted). 25 tracked hosts serve one or both.

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

At a glance
MetricAnthropic: Claude Opus 4.7MoonshotAI: Kimi K2.6
Known Good Index 94 based on 5 of 6 evaluations 93 based on 3 of 6 evaluations
Blended $/1M $10.00 $1.16
Output tok/s 52 66
Context window 1.00M 262k
Providers 4 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.

MetricAnthropic: Claude Opus 4.7MoonshotAI: Kimi K2.6
Known Good Index 94 93
Coding Index 100
Mathematics Index 98 96
Science Index 95 95
Reasoning Index 86
Agentic Index 100 87
Openness Index 5 60
The Known Good

Quality Breakdown

Every evaluation both models report a published score for

Evaluations both models report

Bar = Anthropic: Claude Opus 4.7 · marker = MoonshotAI: Kimi K2.6 · scores ingested from Epoch AI (CC-BY 4.0)

GPQA Diamond90 / 91
MATH / AIME98 / 96
SWE-bench Verified83 / 77

Right-hand figures read Anthropic: Claude Opus 4.7 / MoonshotAI: Kimi K2.6. Anthropic: Claude Opus 4.7 leads on 2 of 3, MoonshotAI: Kimi K2.6 on 1.

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.

MetricAnthropic: Claude Opus 4.7MoonshotAI: Kimi K2.6
Text Arena 1,482 1,455
Text Arena (style controlled) 1,494 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.

MetricAnthropic: Claude Opus 4.7MoonshotAI: Kimi K2.6
Input $/1M $5.00 $0.65
Output $/1M $25.00 $2.72
Blended $/1M $10.00 $1.16
Cache read $/1M $0.500 $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.

MetricAnthropic: Claude Opus 4.7MoonshotAI: Kimi K2.6
Context window 1.00M 262k
Max output tokens 128k 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.

MetricAnthropic: Claude Opus 4.7MoonshotAI: Kimi K2.6
Output tokens/s 52 66
Time to first token 1.4s 1.1s
The Known Good

Providers

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

25 hosts
Full provider benchmarks →
Provider Anthropic: Claude Opus 4.7 blendedAnthropic: Claude Opus 4.7 tok/s MoonshotAI: Kimi K2.6 blendedMoonshotAI: Kimi K2.6 tok/s
Google · first party $10.00 70
Anthropic · first party $10.00 45
Amazon Bedrock · first party $10.00 17
Azure · first party $10.00
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 →