DeepSeek V4 Flash vs Kimi K2 0905 (Comparative Analysis)
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Comparative Analysis: DeepSeek V4 Flash vs. Kimi K2 0905
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Overview
Kimi K2 0905 was released 7 months before DeepSeek V4 Flash.
 DeepSeek V4 Flash |  Kimi K2 0905 | |
|---|---|---|
Model Provider The organization behind this AI's development | DeepSeek | MoonshotAI |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 262.1K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 393.2K tokens | 100.4K tokens |
Release Date When this model first became publicly available | April 24, 2026 3 months ago April 24th, 2026 | September 4, 2025 10 months ago September 4th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | Not reported | December 31, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
DeepSeek V4 Flash | Kimi K2 0905 | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: Extra High, HighDefault: High | Not reported |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | DeepSeek | Other |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured OutputReasoning ModeContent Moderation |
Open Source Model availability | Available on HuggingFace → | Available on HuggingFace → |
Pricing
DeepSeek V4 Flash is roughly 0.2x less expensive compared to Kimi K2 0905 for input tokens and roughly 0.1x less expensive for output tokens.
| DeepSeek V4 Flash | Kimi K2 0905 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.14 per million tokens | $0.60 per million tokens |
Output Token Cost Cost per million output tokens | $0.28 per million tokens | $2.50 per million tokens |
Cache Read Cost Cost to reuse cached input tokens | $0.03 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between DeepSeek V4 Flash and Kimi K2 0905.
| DeepSeek V4 Flash | Kimi K2 0905 | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 40.3 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 56.2 (Artificial Analysis index; higher is better) | Benchmark not available. |
Agentic Index Ability to complete multi-step agentic tasks | 31.1 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,254 Elo (#31 in Game Dev (50.3% win rate)) | 1,132 Elo (#81 in Website (48.3% win rate)) |
At a Glance
Quick overview of what makes DeepSeek V4 Flash and Kimi K2 0905 unique.
DeepSeek V4 Flash by DeepSeek can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.14/M input and $0.28/M output tokens. Released April 24th, 2026.Kimi K2 0905 by MoonshotAI can use external tools and APIs, generates structured data. It can handle standard conversations with its 262.1K token context window. Reasonably priced at $0.60/M input and $2.50/M output tokens. Released September 4th, 2025.Explore More Comparisons
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Compare Kimi K2 0905 with:
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Best models for coding and development
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Models optimized for creative writing
📢Marketing
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💻Technology
Technical analysis and explanations
🔬Science
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