Updated
Cost Breakdown.
CHESSBENCH / PUBLIC DATAWhat it costs to run the LLM chess benchmark.
Recorded placement games, human games, and operating expenses.
Total recorded cost$3463.02
Benchmark LLMs$3276.8434Placement games
Human games$94.7356LLM requests in human challenges
Operating expenses$91.4419Hosting, storage, domain & other costs
Cost over time.
The recorded spend, across all game stages.
RECORDED COST / USD · DAILYUTC
Hover, tap, or use the arrow keys to explore costs.
Claude Fable 5.1
Grok 4.7
GLM 5.3LLM breakdown.
Recorded cost by LLM and thinking level.
Placement gamesHuman games
Select an LLM for stage amounts and token usage.
Game stages.
Where LLM costs come from.
Placement games$3276.8434
Human games$94.7356
Benchmark LLM cost is the subtotal of recorded placement-game charges. Each charge is counted once.
Token usage.
Recorded tokens by thinking setup.
DeepSeek V4.1 FlashMax530.6M
MiniMax M3Thinking435.4M
DeepSeek V4.1 Flash (1017)Max396.7M
DeepSeek V4.1 FlashHigh394.4M
Grok 4.7xHigh348.3M
GLM 5.3 FlashHigh343.7M
DeepSeek V4.1 Flash (1017)High331.8M
GLM 5.3High318.9M
MiMo V2.6 FlashThinking312.1M
GLM 5.3 FlashMax310.4M
Muse Spark 1.3xHigh293.1M
GLM 5.3Max285.7M
MiniMax M3.1 FlashxHigh279.8M
Claude Fable 5.1xHigh250.7M
Claude Haiku 5.5xHigh200.3M
Muse Spark 1.3Medium159.3M
Claude Sonnet 5.5xHigh155M
Gemini 3.8 FlashMedium153.5M
Claude Fable 5.1Medium118.7M
Claude Opus 5.5xHigh118.6M
MiniMax M3.1 FlashMedium116.7M
GPT-6 LunaxHigh109.4M
Claude Haiku 5.5Medium108.8M
Gemini 3.8 FlashHigh100M
Qwen3.7 PlusThinking96M
Gemini 4 ArgonMedium87.6M
Claude Opus 5.5Medium80.8M
Claude Sonnet 5.5Medium78.9M
Gemini 4 ArgonHigh75.8M
GPT-5.6 LunaxHigh74.3M
Space Bunny (Stealth)Max59.3M
Claude Opus 5Medium57.4M
Claude Sonnet 5Medium53.4M
Claude Sonnet 5xHigh52.3M
Claude Opus 5xHigh51.8M
GPT-5.6 TerraxHigh51.2M
GPT-6.1 SOLxHigh50.2M
GPT-5.6 SOLxHigh48.7M
GPT-6 SOLMedium45.7M
GPT-6 AstraMedium43.9M
GPT-6 SOLxHigh42.8M
GPT-6 AstraxHigh42.2M
GPT-5.6 SOLMedium42M
GPT-5.6 TerraMedium41.5M
GPT-5.6 LunaMedium37M
GPT-6.1 TerraxHigh35.5M
GPT-6.1 TerraMedium32.7M
GPT-6.1 SOLMedium30.2M
GPT-6 LunaMedium21.6M
Grok 4.6High20.3M
Kimi K3High447K
Output includes reported reasoning tokens. Token totals describe requests, not a second charge.
Expenses.
Operating expenses and billing corrections.
| DATE / CATEGORY | DESCRIPTION | PURPOSE | AMOUNT / USD |
|---|---|---|---|
| Storage | Backblaze B2 storage · 306.59 MB · monthly estimateChecked 2026-11-01 09:07 UTC · every 4 hours | Operating expenses | $0.0000 |
| Storage | Backblaze B2 storage · 306.59 MB · monthly estimateChecked 2026-10-31 21:07 UTC · every 4 hours | Operating expenses | $0.0000 |
| Storage | Backblaze B2 storage · 157.52 MB · monthly estimateChecked 2026-09-30 20:58 UTC · every 4 hours | Operating expenses | $0.0000 |
| CDN & DNS | Cloudflare · $0/month | Operating expenses | $0.0000 |
| Hosting | Dedicated machine · $69/month | Operating expenses | $69.0000 |
| Domain | Domain registration · $12/year | Operating expenses | $12.0000 |