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Claude 3 Haiku vs Kimi-k1.5

Kimi-k1.5 leads the LLM Stats Score 17.3 to -1.3.

Anthropic · Moonshot AI · Updated for 2026

Which is better?

Kimi-k1.5 leads the overall LLM Stats Score 17.3 to -1.3, ranking #205 overall.

In the 1 individual benchmarks reported for both models, Kimi-k1.5 wins 1; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude 3 Haiku

  • you want predictable pricing at $0.25/M input and $1.25/M output

Choose Kimi-k1.5

  • overall performance matters — it scores 17.3 and ranks #205 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Jan 2025

At a glance

The differences that matter most.

Core performance indexes
-1.3
#323
17.3
#205
-1.4
#315
16.5
#203
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.25 / M
— / M
Output price
$1.25 / M
— / M
Context window
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3 Haiku
Kimi-k1.5
4.7#273
20.5#150
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

10 reported for Claude 3 Haiku · 9 for Kimi-k1.5

1 shared

Claude 3 Haiku outperforms in 0 benchmarks, while Kimi-k1.5 is better at 1 benchmark (MMLU).

Kimi-k1.5 significantly outperforms across most benchmarks.

Fri Sep 04 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude 3 Haiku specifies input context (200,000 tokens). Only Claude 3 Haiku specifies output context (200,000 tokens).

Anthropic
Claude 3 Haiku
Input200,000 tokens
Output200,000 tokens
Moonshot AI
Kimi-k1.5
Input- tokens
Output- tokens
Fri Sep 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude 3 Haiku and Kimi-k1.5 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude 3 Haiku

Text
Images
Audio
Video

Kimi-k1.5

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 3 Haiku

Proprietary

Closed source

Kimi-k1.5

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Haiku was released on 2024-03-13, while Kimi-k1.5 was released on 2025-01-20.

Kimi-k1.5 is 10 months newer than Claude 3 Haiku.

Claude 3 Haiku

Mar 13, 2024

2.5 years ago

Kimi-k1.5

Jan 20, 2025

1.6 years ago

10mo newer

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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Claude 3 Haiku and Kimi-k1.5 side-by-side, then vote on the output you prefer.

Claude 3 Haiku
✓ Preferred
Kimi-k1.5
Open in Playground

FAQ

Common questions about Claude 3 Haiku vs Kimi-k1.5.

Which is better, Claude 3 Haiku or Kimi-k1.5?

Kimi-k1.5 leads the LLM Stats Score 17.3 to -1.3. Claude 3 Haiku is made by Anthropic and Kimi-k1.5 is made by Moonshot AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude 3 Haiku compare to Kimi-k1.5 in benchmarks?

Claude 3 Haiku scores ARC-C: 89.2%, GSM8k: 88.9%, HellaSwag: 85.9%, DROP: 78.4%, HumanEval: 75.9%. Kimi-k1.5 scores MATH-500: 96.2%, CLUEWSC: 91.4%, C-Eval: 88.3%, MMLU: 87.4%, IFEval: 87.2%.

What are the context window sizes for Claude 3 Haiku and Kimi-k1.5?

Claude 3 Haiku supports 200K tokens and Kimi-k1.5 supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3 Haiku and Kimi-k1.5?

Key differences include LLM Stats Score (-1.3 vs 17.3). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Haiku and Kimi-k1.5?

Claude 3 Haiku is developed by Anthropic and Kimi-k1.5 is developed by Moonshot AI.