Kacper Karbownik

Full-stack developer

I like tech, and building things.

Use left and right arrow keys to explore sampled Ethereum blocks. Touch and move your finger to play with the drawing. Use the arrows to change blocks.
Explore in 3D
Showing Ethereum block 25,913,783.
AI usage117.2B tokens

Currently working at Amplifi Liquidity. Previously Rotki and DappRadar.

Selected work

Hackathon highlights

ETHGlobal Brussels

Cook some Hooks

Create and deploy Uniswap v4 hooks with AI.

Finalist · top 10 of 355

Announcement

Experience

  1. Amplifi Liquidity

    Full-stack Web3 / Product Engineer

    Production DeFi front ends, SDKs, and embeddable widgets.

  2. Rotki

    Vue.js / TypeScript Developer

    Shipped rotki Wrapped: a personal year in review for your crypto activity, built into the local-first app.

  3. DappRadar

    Web3 Data Analyst

    Blockchain network analysis with PostgreSQL and REST API work on dApp usage metrics.

AI usage

117.2B recorded tokensAcross 4 tools · explore usage

Public counts · self-reported usage

Open JSON
Codex69.0% of recorded total80.9B
Tokens by model

28.8B tokens in retained local records. Coverage differs from the total above.

  1. GPT-5.6 Sol25,256,897,366 tokens
  2. Review · unspecified1,915,746,628 tokens
  3. GPT-5.6 Luna580,329,383 tokens
  4. GPT-5.5435,156,296 tokens
  5. GPT-6 Astra402,045,643 tokens
4 more models
  1. GPT-5.6 Terra190,493,947 tokens
  2. GPT-5.42,900,399 tokens
  3. GPT-5.3 Codex Spark1,472,213 tokens
  4. GPT-5.4 Mini878,414 tokens
Claude Code27.2% of recorded total31.9B
Tokens by model

4.2B tokens in retained local records. Coverage differs from the total above.

  1. Claude Opus 52,492,835,800 tokens
  2. Claude Fable 51,260,554,629 tokens
  3. Claude Opus 4.7235,335,368 tokens
  4. Claude Opus 4.881,932,888 tokens
  5. Unspecified model62,504,416 tokens
2 more models
  1. Claude Sonnet 525,170,201 tokens
  2. Claude Haiku 4.517,928,058 tokens
Cursor3.6% of recorded total4.2B
Tokens by model
  1. Grok 4.6965,129,052 tokens
  2. Grok bot · unspecified964,699,928 tokens
  3. Review · unspecified513,743,378 tokens
  4. Claude Sonnet 4336,140,037 tokens
  5. Composer 2.5325,051,089 tokens
29 more models
  1. GPT-5217,438,118 tokens
  2. GPT-5.6 Sol202,086,129 tokens
  3. Grok 4.5157,033,609 tokens
  4. Claude Fable 5149,214,304 tokens
  5. Claude Opus 579,692,647 tokens
  6. Claude Sonnet 4.564,125,760 tokens
  7. Claude Opus 463,723,991 tokens
  8. o353,602,100 tokens
  9. Grok Code Fast 125,062,467 tokens
  10. GPT-5 Codex10,400,274 tokens
  11. Claude Opus 4.56,574,895 tokens
  12. Composer 14,910,324 tokens
  13. Auto · unspecified4,880,109 tokens
  14. Gemini 2.5 Flash4,177,810 tokens
  15. Claude Opus 4.63,839,546 tokens
  16. GPT-5.6 Terra3,803,600 tokens
  17. Claude Opus 4.12,205,471 tokens
  18. o3 Pro1,886,210 tokens
  19. Gemini 3 Pro1,505,647 tokens
  20. GPT-5 Pro1,479,439 tokens
  21. GPT-5.51,076,682 tokens
  22. Composer 2918,195 tokens
  23. Composer 1.5849,274 tokens
  24. Gemini 2.5 Pro311,450 tokens
  25. GPT-4.1247,682 tokens
  26. GPT-5.6 Luna229,739 tokens
  27. Grok 4148,536 tokens
  28. GPT-5.2 Codex22,498 tokens
  29. Gemini 3.1 Pro16,750 tokens
OpenCode0.2% of recorded total243.1M
Tokens by model
  1. GLM 5.292,460,725 tokens
  2. GLM 5.3 Flash56,371,208 tokens
  3. DeepSeek V4 Flash33,714,262 tokens
  4. DeepSeek V4 Pro32,026,988 tokens
  5. Kimi K327,768,998 tokens
1 more models
  1. Qwen 3.7 Plus802,420 tokens

Play with Markdown

A little type experiment…