Kimi K3 vs Claude Opus 5

Kimi K3 from Moonshot AI and Claude Opus 5 from Anthropic are shown side by side so you can compare pricing, model IDs, context and output limits, modalities, tool use, release details, and benchmark results where data is available.

Overall Recommendation

Claude Opus 5 is the stronger capability default in TokenHub data, with a 60.7 Intelligence Index and 78.0 Coding Index versus 57.1 and 76.2 for Kimi K3. Choose Kimi K3 when about 43% lower token prices, video input, or slightly more context and output capacity matter more.

Recommendation based on Kimi K3 vs Claude Opus 5 (Adaptive Reasoning, Max Effort).

Comparison Highlights

Kimi K3Moonshot AI
Claude Opus 5Anthropic
Best For
Cost-efficient multimodal codingvisual agentslong-context work
Frontier codingdemanding reasoninglong-horizon professional agents
How To Read ItUse-case synthesis from model capabilities and positioning.
Workload Fit
MultimodalCost controlLong context
CodingAutonomous agentsProfessional work
How To Read ItThe workloads each model is most directly shaped for.
Input
$2.8571/MEdge
$5/M
How To Read ItLower is better when prompts or retrieval payloads are large.
Output
$14.2857/MEdge
$25/M
How To Read ItLower is better for reasoning-heavy or long-generation traffic.
Context length
1M
1M
How To Read ItHigher is better for repositories, retrieval packs, and transcripts.
Input modalities
Text, Image
Text, Image, PDFEdge
How To Read ItBroader input support reduces the need for separate vision or video models.

Model Selection Guide

Kimi K3Moonshot AI

Choose Kimi K3 When

  • $2.8571 input and $14.2857 output per million tokens, about 43% below Claude Opus 5
  • Text, image, and video input with a 1.048M-token context window
  • A 131.1K maximum output and a 76.2 Coding Index
Claude Opus 5Anthropic

Choose Claude Opus 5 When

  • A 60.7 Intelligence Index and 78.0 Coding Index at maximum effort
  • A 93.2 GPQA score and 52.6 HLE score in TokenHub data
  • Text, image, and PDF input for demanding software and document workflows

Basic Information

Kimi K3Moonshot AI
Claude Opus 5Anthropic

Name

Kimi K3Kimi K3

Model id

Kimi K3kimi-k3

Intro

Kimi K3Kimi K3 is a high-performance AI model designed for advanced reasoning, coding, and complex task execution. It delivers strong performance on large-scale programming projects, multi-step problem solving, and knowledge-intensive applications. With broad context handling and multimodal capabilities, K3 is suitable for building powerful AI agents, developer tools, and enterprise-level applications.

Author

Kimi K3Moonshot AI

Released date

Kimi K32026-07-16

Context length

Kimi K31M

Max output tokens

Kimi K3131.1K

Name

Claude Opus 5Claude Opus 5

Model id

Claude Opus 5claude-opus-5

Intro

Claude Opus 5Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis of charts and documents, complex office deliverables, and coordinating parallel subagents. The model maintains strong instruction following and tool use across extended tasks, while remaining effective at lower effort settings for workloads that prioritize latency and token efficiency.

Author

Claude Opus 5Anthropic

Released date

Claude Opus 52026-07-24

Context length

Claude Opus 51M

Max output tokens

Claude Opus 5128K

Pricing

Kimi K3Moonshot AI
Claude Opus 5Anthropic

Input

Kimi K3$2.8571/M

Output

Kimi K3$14.2857/M

Cached input

Kimi K3$0.2857/M

Input

Claude Opus 5$5/M

Output

Claude Opus 5$25/M

Cached input

Claude Opus 5$0.5/M

Capabilities

Kimi K3Moonshot AI
Claude Opus 5Anthropic

Reasoning

Kimi K3

Knowledge

Kimi K3n/a

Attachment

Kimi K3

Input modalities

Kimi K3Text, Image

Output modalities

Kimi K3Text

Temperature

Kimi K3

Tool use

Kimi K3

Reasoning

Claude Opus 5

Knowledge

Claude Opus 52026-05-01

Attachment

Claude Opus 5

Input modalities

Claude Opus 5Text, Image, PDF

Output modalities

Claude Opus 5Text

Temperature

Claude Opus 5

Tool use

Claude Opus 5

Benchmark

Kimi K3Moonshot AI
Claude Opus 5Anthropic

Intelligence

57.1

Coding

76.2

Intelligence

wins60.7

Coding

wins78

Knowledge & Reasoning

GPQA

wins93.5%

HLE

44.3%

GPQA

93.2%

HLE

wins52.6%

Coding

SciCode

wins58.7%

SciCode

55.7%

Instruction Following & Agent Tasks

AA-LCR

wins74.7%

AA-LCR

70%

FAQ

Which model is better, Kimi K3 or Claude Opus 5?

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Kimi K3 and Claude Opus 5 should be compared by workload. This page places price, context, output limits, capabilities, and benchmark data side by side. It is also relevant to: kimi k3 vs claude opus 5, kimi k3 vs claude, kimi vs claude.

Is Claude Opus 5 cheaper than Kimi K3?

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Use the pricing rows above to compare input, output, and cached input prices for Kimi K3 and Claude Opus 5.

Which model supports a longer context length?

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Kimi K3 lists 1M context length, while Claude Opus 5 lists 1M.

Can I access both models through TokenHub?

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If both models are available in the TokenHub catalog, you can route requests to Kimi K3 and Claude Opus 5 through the TokenHub API.

Docs

Provider documentation referenced when evaluating API request formats and model capabilities.