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Every score has a dated snapshot.

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  3. Claude Opus 4.6 vs MoonshotAI Kimi Latest

Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

Claude Opus 4.6 vs MoonshotAI Kimi Latest benchmark

In this head-to-head showdown, MoonshotAI Kimi Latest is more budget-friendly at $13/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Choose Claude Opus 4.6 if your priority is peak reasoning, complex code generation, and top preference Elo. Choose MoonshotAI Kimi Latest if you are optimizing for low latency, high throughput, and cost-efficient API deployment.
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Verified Head-to-Head Advantage Breakdown

3 direct benchmark disciplines evaluated across capability, speed, and cost

Claude Opus 4.6 (0)MoonshotAI Kimi Latest (3)
Claude Opus 4.6
0 of 3 Wins
Competitive baseline across remaining benchmarks
MoonshotAI Kimi Latest
3 of 3 Wins
✓Input price✓Output price✓Context window
Anthropic
Claude Opus 4.6

Follow-on Opus release. Slightly behind 4.5 on official SWE-bench bash-only in the last published sweep; stronger multi-step autonomous agent reasoning.

Opus 4.6Elo 1,574$25/1M out
~moonshotai
Leads 3 of 3 metrics
MoonshotAI Kimi Latest

Auto-discovered from OpenRouter (~moonshotai/kimi-latest). Preview until a second source matches.

$13/1M out

Claude 4 Series Lineage & Sibling Variants

5 models

Currently comparing Claude Opus 4.6 vs MoonshotAI Kimi Latest. Alternative family tiers available.

Active: Claude Opus 4.6
Claude Opus 4.5$25Claude Sonnet 4.5$15Claude Opus 4.8$25Claude Haiku 4.5$5

Claude Opus 4.6 Thinking Depth & Cost Scaler

Model A

Simulate accuracy gains vs added response time & token cost

Mode: Medium (16k budget)

Reasoning models “think before answering” by generating internal reasoning tokens. Higher effort improves math, coding, and logic accuracy, but increases response delay and token costs.

Thinking Delay
360 ms
Standard speed
Reasoning Depth
~3,200
Internal tokens
Cost / 1k Calls
$90.00
9.0× standard bill
Accuracy Boost
+5.2% accuracy
STEM & SWE-bench
Top Rival Showdowns for Claude Opus 4.6
All Matchups
Compare vs:vs GPT-5vs Gemini 3 Provs Grok 4.6vs DeepSeek V4 Provs Qwen 3 Max
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar LeaderMoonshotAI Kimi Latest Wins

MoonshotAI Kimi Latest

$13 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

Multi-Dimensional Capability Radar

Leaders Matchup Capability Radar

Comparing top Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
0–100 %ile
Head-to-Head Comparison

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

Claude Opus 4.6 (7)vsMoonshotAI Kimi Latest (3)
Claude Opus 4.6: 7W (70%)Overall: Claude Opus 4.6MoonshotAI Kimi Latest: 3W (30%)
← Claude Opus 4.6MoonshotAI Kimi Latest →
🏆Claude Opus 4.6(5/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Benchmark
Claude Opus 4.6vsMoonshotAI Kimi Latest
Preference Elo
1,574vs—
Coding Elo
1,570vs—
SWE-bench
75.9%vs—
LiveBench
72%vs—
GPQA Diamond
84.8%vs—
Claude Opus 4.6: 5WMoonshotAI Kimi Latest: 0W
🏆Claude Opus 4.6(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Claude Opus 4.6vsMoonshotAI Kimi Latest
Output speed
64 tok/svs—
Time to first token
360 msvs—
Claude Opus 4.6: 2WMoonshotAI Kimi Latest: 0W
🏆MoonshotAI Kimi Latest(3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Claude Opus 4.6vsMoonshotAI Kimi Latest
Output price
$25/1Mvs$13/1M+$12/1M
Input price
$5/1Mvs$2.6/1M+$2.4/1M
Context window
1Mvs1M+49k
Claude Opus 4.6: 0WMoonshotAI Kimi Latest: 3W

Side-by-Side Benchmark Matrix

Preference Elo
Claude Opus 4.61,574
lmarena · Aug 17, 2026
MoonshotAI Kimi Latest—
Coding Elo
Claude Opus 4.61,570
lmarena · Aug 17, 2026
MoonshotAI Kimi Latest—
LiveBench
Claude Opus 4.672%
livebench · Aug 17, 2026
MoonshotAI Kimi Latest—
SWE-bench
Claude Opus 4.675.9%
swebench · Aug 17, 2026
MoonshotAI Kimi Latest—
GPQA Diamond
Claude Opus 4.684.8%
seed-bootstrap · Aug 1, 2026
MoonshotAI Kimi Latest—
Time to first token
Claude Opus 4.6360 ms
seed-bootstrap · Aug 1, 2026
MoonshotAI Kimi Latest—
Output speed
Claude Opus 4.664 tok/s
seed-bootstrap · Aug 1, 2026
MoonshotAI Kimi Latest—
Input price+$2.4/1M
Claude Opus 4.6$5/1M
openrouter · Aug 17, 2026
MoonshotAI Kimi Latest$2.6/1M
openrouter · Aug 17, 2026
Output price+$12/1M
Claude Opus 4.6$25/1M
openrouter · Aug 17, 2026
MoonshotAI Kimi Latest$13/1M
openrouter · Aug 17, 2026
Context window+49k
Claude Opus 4.61M
openrouter · Aug 17, 2026
MoonshotAI Kimi Latest1M
openrouter · Aug 17, 2026
BenchmarkClaude Opus 4.6MoonshotAI Kimi LatestAdvantage Delta
Preference Elo
1,574
lmarena · Aug 17, 2026
——
Coding Elo
1,570
lmarena · Aug 17, 2026
——
LiveBench
72%
livebench · Aug 17, 2026
——
SWE-bench
75.9%
swebench · Aug 17, 2026
——
GPQA Diamond
84.8%
seed-bootstrap · Aug 1, 2026
——
Time to first token
360 ms
seed-bootstrap · Aug 1, 2026
——
Output speed
64 tok/s
seed-bootstrap · Aug 1, 2026
——
Input price
$5/1M
openrouter · Aug 17, 2026
$2.6/1M
openrouter · Aug 17, 2026
+$2.4/1M
Output price
$25/1M
openrouter · Aug 17, 2026
$13/1M
openrouter · Aug 17, 2026
+$12/1M
Context window
1M
openrouter · Aug 17, 2026
1M
openrouter · Aug 17, 2026
+49k
Interactive Simulator (USD)

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Save up to 48% with MoonshotAI Kimi Latest
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Claude Opus 4.6$550.00 / mo
In: $175Out: $375
MoonshotAI Kimi Latest$286.00 / mo
In: $91Out: $195
Estimated Cost Delta

MoonshotAI Kimi Latest is estimated to save $264.00/month ($3,168/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    MoonshotAI Kimi Latest:Pick MoonshotAI Kimi Latest when you are optimizing output cost.
  • 2
    MoonshotAI Kimi Latest:Pick MoonshotAI Kimi Latest for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatMoonshotAI Kimi Latest

Lower output list price ($13/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGMoonshotAI Kimi Latest

Larger window (1M).

Screenshots / visionClaude Opus 4.6

Claude Opus 4.6 is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatMoonshotAI Kimi LatestLower output list price ($13/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGMoonshotAI Kimi LatestLarger window (1M).
Screenshots / visionClaude Opus 4.6Claude Opus 4.6 is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchMay 10, 2026

Claude Opus 4.6: the May follow-on that still shows up in old bookmarks

Slightly behind 4.5 on one official SWE-bench sweep; stronger long-horizon traces. We keep the row for old vs URLs.

Community Sentiment

Cast Your Matchup Vote

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Anthropic

Claude Opus 4.6

Elo 1,574
SWE-bench75.9%
Speed (tok/s)64 tok/s
Input / 1M Tokens$5/1M
Output / 1M Tokens$25/1M
~moonshotai

MoonshotAI Kimi Latest

Elo n/a
SWE-bench—
Speed (tok/s)1M
Input / 1M Tokens$2.6/1M
Output / 1M Tokens$13/1M

Frequently Asked Questions

Which is better overall, Claude Opus 4.6 or MoonshotAI Kimi Latest?
We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, Claude Opus 4.6 or MoonshotAI Kimi Latest?
SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?
MoonshotAI Kimi Latest output tokens are $13/1M versus $25/1M. Input prices and retry rates still move the real bill.
Which is faster, Claude Opus 4.6 or MoonshotAI Kimi Latest?
We do not have TTFT for both models.
Which has the larger context window?
MoonshotAI Kimi Latest accepts 1M tokens versus 1M.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?
No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?
Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. Claude Opus 4.6 and MoonshotAI Kimi Latest Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · May 10, 2026

    Claude Opus 4.6: the May follow-on that still shows up in old bookmarks

Similar Head-to-Head Comparisons

All Claude Opus 4.6 matchups →|All MoonshotAI Kimi Latest matchups →
Claude Opus 4.6 vs Claude Opus 4.5 (previous opus)Claude Opus 4.6 vs Claude Opus 4.8 (next opus)Claude Sonnet 5 vs Claude Opus 4.6Claude Fable 5 vs Claude Opus 4.6Claude Sonnet 4.5 vs Claude Opus 4.6Claude Opus 5 vs Claude Opus 4.6