Compare

Kimi K3 vs Pareto

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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Kimi K3
moonshot/kimi-k3
P
Pareto
unbiased/pareto
Provider
Moonshot
Unbiased
Family
Modality
text
text
Context window
1,048,576 tok
262,144 tok
Max output
32,768 tok
32,768 tok
Released
2026-07-16
2026-09-17
License
Open-weight
Open-weight
Input price
$3.00 /1M
$2.50 /1M
Output price
$15.00 /1M
$7.50 /1M
Tools
yes
Streaming
yes
yes
Vision
yes
JSON mode
yes
Reasoning
yes
Prompt caching
Batch API
Try it
Open in playground →
Open in playground →
Kimi K3
moonshot/kimi-k3
Full spec →

Kimi K3 is Moonshot's flagship 2.8 trillion-parameter model, built on Kimi Delta Attention (a hybrid linear attention mechanism) with Attention Residuals. It offers native visual understanding, always-on reasoning, and a 1M-token context window for long-horizon coding, knowledge work, and deep reasoning tasks.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows
Pareto
unbiased/pareto
Full spec →

Pareto is Unbiased's blended AI model. It engages multiple language models in parallel for each request, synthesizes one answer, and supports text and vision inputs through a single API response.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows

Compare with another

GPT-6 Astra vs Pareto
openai/gpt-6-astra · unbiased/pareto
GPT-6 Astra vs Kimi K3
openai/gpt-6-astra · moonshot/kimi-k3
Claude Fable 5.1 vs Pareto
anthropic/claude-fable-5.1 · unbiased/pareto
Claude Fable 5.1 vs Kimi K3
anthropic/claude-fable-5.1 · moonshot/kimi-k3
Claude Opus 5 vs Pareto
anthropic/claude-opus-5 · unbiased/pareto
Claude Opus 5 vs Kimi K3
anthropic/claude-opus-5 · moonshot/kimi-k3
Gemini 3.8 Flash vs Pareto
google/gemini-3.8-flash · unbiased/pareto
Gemini 3.8 Flash vs Kimi K3
google/gemini-3.8-flash · moonshot/kimi-k3
Glm-5.3 vs Pareto
zai-org/glm-5.3 · unbiased/pareto
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Kimi K3
client.chat.completions.create(
    model="moonshot/kimi-k3",
    messages=[{"role":"user","content":"hello"}],
)

# Pareto
client.chat.completions.create(
    model="unbiased/pareto",
    messages=[{"role":"user","content":"hello"}],
)
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