Kimi K3
Moonshot flagship open-frontier model with ~2.8T parameters, native vision, and a 1M-token context window.
Pricing
Specifications
Benchmark Scores
Strengths
- 1M context
- Frontier coding/reasoning
- Native multimodal
Weaknesses
- Premium output pricing
- Newer ecosystem tooling
Historical Intelligence
Pricing, context, and benchmark trends over time
Pricing History
Input and output price per million tokens over time
Context Window Growth
Context window tokens over time
Coding Score Progress
Benchmark score over time (0–100)
Reasoning Score Progress
Benchmark score over time (0–100)
Kimi K3 Evolution
Combined pricing trend and benchmark performance
Kimi K3 vs related models
Capability radar vs semantically related catalog models
Intelligence Graph
Provider hub →Provider Overview
Moonshot AI builds the Kimi model family, including Kimi K3 — a frontier open-class model with native vision and a 1M-token context window.
2 models tracked · Documentation
Related Models
Computed from benchmark, pricing, and capability similarity
Claude Sonnet 4.5
Anthropic's balanced Sonnet 4.5 for production coding and agent workflows.
Why: similar coding performance, similar reasoning scores
Confidence90%Claude 4 Sonnet
Latest Sonnet with improved reasoning and tool use.
Why: similar coding performance, similar reasoning scores
Confidence89%Grok 4
xAI Grok 4 with real-time retrieval emphasis and strong general capability.
Why: similar coding performance, similar reasoning scores
Confidence89%Claude 3.7 Sonnet
Sonnet with extended thinking for harder problems.
Why: similar coding performance, similar reasoning scores
Confidence89%Grok 3
xAI flagship with strong reasoning and tool use.
Why: similar coding performance, similar reasoning scores
Confidence89%Gemini 3 Pro
Google Gemini 3 Pro frontier tier for complex multimodal reasoning and long-context workloads.
Why: similar coding performance, similar reasoning scores
Confidence87%
Recommended Comparisons
Side-by-side analysis with semantically similar models
Kimi K3 vs Claude Sonnet 4.5
Side-by-side pricing, benchmarks, and capabilities
Why: similar coding performance, similar reasoning scores
Confidence90%Kimi K3 vs Claude 4 Sonnet
Side-by-side pricing, benchmarks, and capabilities
Why: similar coding performance, similar reasoning scores
Confidence89%Kimi K3 vs Grok 4
Side-by-side pricing, benchmarks, and capabilities
Why: similar coding performance, similar reasoning scores
Confidence89%Kimi K3 vs Claude 3.7 Sonnet
Side-by-side pricing, benchmarks, and capabilities
Why: similar coding performance, similar reasoning scores
Confidence89%Kimi K3 vs Grok 3
Side-by-side pricing, benchmarks, and capabilities
Why: similar coding performance, similar reasoning scores
Confidence89%Kimi K3 vs Gemini 3 Pro
Side-by-side pricing, benchmarks, and capabilities
Why: similar coding performance, similar reasoning scores
Confidence87%
Best Alternatives
Higher-scoring models with similar capability profiles
Claude 4 Opus
Anthropic flagship for the most demanding tasks.
Why: +5 overall benchmark score, similar coding performance, similar reasoning scores
Confidence73%GPT-5
OpenAI flagship GPT-5 generation for general and agentic workloads.
Why: +4 overall benchmark score, similar coding performance, similar reasoning scores
Confidence85%Claude Opus 4.1
Anthropic's latest Opus-class model for deep reasoning, coding, and long-form analysis.
Why: +4 overall benchmark score, similar coding performance, similar reasoning scores
Confidence76%Claude 4 Sonnet
Latest Sonnet with improved reasoning and tool use.
Why: +3 overall benchmark score, similar coding performance, similar reasoning scores
Confidence89%
Cheaper Alternatives
Lower-cost models with comparable attributes
Gemini 3 Pro
Google Gemini 3 Pro frontier tier for complex multimodal reasoning and long-context workloads.
Why: Saves $0.40/M combined tokens vs Kimi K3
Confidence87%GPT-5 Mini
Cost-efficient GPT-5 family model for high-volume production.
Why: Saves $16.00/M combined tokens vs Kimi K3
Confidence87%Kimi K2
Prior Moonshot coding-strong MoE model, strong agent/tool use at competitive pricing.
Why: Saves $14.90/M combined tokens vs Kimi K3
Confidence84%Command A
Cohere flagship agentic model for tool use and search.
Why: Saves $5.50/M combined tokens vs Kimi K3
Confidence84%
Related Calculators
AI Cost Calculator
Estimate daily, monthly, and yearly API costs with provider and model selection.
Why: Estimate costs for Kimi K3
Context Window Utilization
Calculate how much of a model's context window you're consuming.
Why: 1000K context window analysis
Token Counter
Convert between words and estimated token counts.
Why: Token estimation for prompt workloads
Inference Latency Estimator
Project response times based on output tokens and throughput.
Why: standard latency tier estimation
Related Tools
AI Model Finder
Find models matching your priorities
Why: Relevant for Kimi K3 workloads
AI Stack Builder
Build a tailored AI tool stack
Why: Relevant for Kimi K3 workloads
Prompt Optimizer
Optimize prompts for cost and quality
Why: Relevant for Kimi K3 workloads
Subscription Optimizer
Optimize AI subscription spend
Why: Relevant for Kimi K3 workloads
Timeline Highlights
Latest Releases
Recent launches from related providers