Claude Opus 4.6 vs Kimi K2 0905 Comparison

Comparing Claude Opus 4.6 and Kimi K2 0905 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude Opus 4.6 outperforms in 1 benchmarks (GPQA), while Kimi K2 0905 is better at 0 benchmarks.

Claude Opus 4.6 significantly outperforms across most benchmarks.

Tue Mar 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Kimi K2 0905 costs less

For input processing, Claude Opus 4.6 ($5.00/1M tokens) is 8.3x more expensive than Kimi K2 0905 ($0.60/1M tokens).

For output processing, Claude Opus 4.6 ($25.00/1M tokens) is 10.0x more expensive than Kimi K2 0905 ($2.50/1M tokens).

In conclusion, Claude Opus 4.6 is more expensive than Kimi K2 0905.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Tue Mar 17 2026 • llm-stats.com

Claude Opus 4.6

Input tokens$5.00

Output tokens$25.00

Best providerAnthropic

Kimi K2 0905

Input tokens$0.60

Output tokens$2.50

Best providerNovita

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Context Window

Maximum input and output token capacity

Kimi K2 0905 accepts 262,144 input tokens compared to Claude Opus 4.6's 200,000 tokens. Kimi K2 0905 can generate longer responses up to 262,144 tokens, while Claude Opus 4.6 is limited to 128,000 tokens.

Claude Opus 4.6

Input200,000 tokens

Output128,000 tokens

Kimi K2 0905

Input262,144 tokens

Output262,144 tokens

Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Opus 4.6 supports multimodal inputs, whereas Kimi K2 0905 does not.

Claude Opus 4.6 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 4.6

Text

Images

Audio

Video

Kimi K2 0905

Text

Images

Audio

Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Opus 4.6

Proprietary

Closed source

Kimi K2 0905

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 4.6 was released on 2026-02-05, while Kimi K2 0905 was released on 2025-09-05.

Claude Opus 4.6 is 5 months newer than Kimi K2 0905.

Claude Opus 4.6

Feb 5, 2026

1 months ago

5mo newer

Kimi K2 0905

Sep 5, 2025

6 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude Opus 4.6 is available from Anthropic. Kimi K2 0905 is available from Novita. The availability of providers can affect quality of the model and reliability.