Hy3 vs. KAT Coder Pro V2
Comparison between Hy3 and KAT Coder Pro V2 across intelligence, price, speed, context window and more.
For details relating to our methodology, see our Methodology page.
Highlights
Model Comparison
Hy3 | KAT Coder Pro V2 | ||
|---|---|---|---|
| Intelligence Index | 41 | 34 | Hy3 is more intelligent than KAT Coder Pro V2 |
| Price per 1M Tokens | $0.11 | $0.22 | Hy3 is cheaper than KAT Coder Pro V2 |
| Output Speed | 71 tokens/s | 103 tokens/s | KAT Coder Pro V2 is faster than Hy3 |
| Time to First Token | 2.74s | 1.50s | KAT Coder Pro V2 responds faster than Hy3 |
| Context Window | 256k tokens~384 A4 pages of size 12 Arial font | 256k tokens~384 A4 pages of size 12 Arial font | Both Hy3 and KAT Coder Pro V2 have the same sized context window |
| Release Date | July 2026 | March 2026 | Hy3 has a more recent release date than KAT Coder Pro V2 |
| Reasoning | Yes | No | Hy3 has reasoning while KAT Coder Pro V2 does not |
| Image Input Support | No | No | Neither Hy3 nor KAT Coder Pro V2 have image input support |
| Open Source (Weights) | No | Hy3 is open source while KAT Coder Pro V2 is proprietary |
Intelligence
Artificial Analysis Intelligence Index
Artificial Analysis Intelligence Index by Open Weights / Proprietary
Intelligence Evaluations
Agentic real-world work tasks, (Elo-500)/2000
Agentic tool use
Agentic coding & terminal use
Coding
Reasoning & knowledge
Scientific reasoning
Physics reasoning
Knowledge
1 - hallucination rate
Long context reasoning
Agentic knowledge work, Elo
Agentic SaaS workflows
Legal agentic work, criterion pass rate
Agentic business operations
Instruction following
Long-horizon agentic tasks
Kubernetes incident root-cause analysis
Visual reasoning
AA-Briefcase
AA-Briefcase Elo
AA-Omniscience
AA-Omniscience Index
Openness Index
Artificial Analysis Openness Index: Score
Intelligence Index Comparisons
Intelligence Index vs. Cost per Intelligence Index Task
Token Use
Output Tokens per Intelligence Index Task
Cost
Cost per Intelligence Index Task
Cost to Run Artificial Analysis Intelligence Index
Pricing: Cache Hit, Input, and Output
Context Window
Context Window
Speed
Measured by Output Speed (tokens per second)
Output Speed
Time per Intelligence Index Task
Latency
Measured by Time (seconds) to First Token
Latency: Time To First Answer Token
End-to-End Response Time
Seconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed
End-to-End Response Time
Model Size (Open Weights Models Only)
Model Size: Total and Active Parameters
Frequently Asked Questions
Hy3 is more intelligent. Hy3 scores 41, compared with KAT Coder Pro V2 at 34 on the Artificial Analysis Intelligence Index.
KAT Coder Pro V2 is faster. KAT Coder Pro V2 generates 103.3 tokens per second, compared with Hy3 at 70.8 tokens per second.
Hy3 is cheaper. Hy3 costs $0.11 per 1M tokens, compared with KAT Coder Pro V2 at $0.22 per 1M tokens (7:2:1 cache hit/input/output ratio).
KAT Coder Pro V2 has lower latency. KAT Coder Pro V2 has a time to first token of 1.50s, compared with Hy3 at 2.74s.
Both models have a context window of 260k tokens.