try it — click a dot: the model opens on arena.ai (or OpenRouter chat when arena does not list it) and this prompt lands in your clipboard, paste it there:
Write a python function that parses ISO-8601 durations like P3DT4H30M into seconds. Add doctests.
| model | coding | $ / 1M | tok/s | runs on | since | ||
|---|---|---|---|---|---|---|---|
| Claude Fable 5.1 anthropic | ● | 80.7 | 23.3 | 53 | 2026-09 | try | |
| GPT-5.6 Sol openai | ● | 78.3 | 9.33 | 106 | 2026-07 | try | |
| Claude Opus 5 anthropic | ● | 78 | 11.7 | 49 | 2026-07 | try | |
| GPT-6 Astra openai | ● | 76.9 | 23.3 | 49 | 2026-09 | try | |
| GPT-5.6 Terra openai | ● | 76.7 | 5.33 | 95 | 2026-07 | try | |
| Claude Fable 5 anthropic | ● | 76.5 | 23.3 | 66 | 2026-06 | try | |
| Gemini 3.8 Flash google | ● | 76.3 | 1.93 | 136 | 2026-09 | try | |
| Qwen3.8 Max (0902) qwen | ● | 76.2 | 3.33 | 2026-09 | try | ||
| Gemini 3.7 Flash google | ● | 76.1 | 1.75 | 2026-08 | try | ||
| Grok 4.6 x-ai | ● | 75.9 | 3.33 | 63 | 2026-08 | try | |
| Muse Spark 1.3 meta | ● | 75.8 | 2.25 | 146 | 2026-09 | try | |
| GPT-5.5 openai | ● | 74.9 | 13.3 | 75 | 2026-04 | try | |
| GLM 5.3 z-ai | ● | 74.8 | 0.108 | 72 | 6× B200 753B, 35B active | 2026-08 | try |
| Claude Opus 4.8 anthropic | ● | 74.3 | 11.7 | 58 | 2026-05 | try | |
| Claude Opus 4.7 anthropic | ● | 73.6 | 11.7 | 43 | 2026-04 | try | |
| Grok 4.5 x-ai | ● | 72.4 | 3.33 | 57 | 2026-07 | try | |
| Muse Spark 1.2 meta | ● | 72.2 | 2.25 | 228 | 2026-08 | try | |
| Kimi K3 moonshotai | ● | 72 | 5.46 | 50 | api price | 2026-07 | try |
| Qwen3.8 2.4T A95B qwen | ● | 71.9 | 3.33 | 40 | api price | 2026-08 | try |
| GLM 5.3 Flash z-ai | ● | 71.5 | 0.0411 | 55 | 3× B200 321B, 13B active | 2026-08 | try |
| Claude Sonnet 5 anthropic | ● | 71.5 | 4.67 | 57 | 2026-06 | try | |
| GPT-5.6 Luna openai | ● | 71.4 | 0.533 | 105 | 2026-07 | try | |
| Muse Spark 1.1 meta | ● | 71.3 | 2.25 | 224 | 2026-07 | try | |
| GPT-5.4 openai | ● | 71.1 | 6.67 | 56 | 2026-03 | try | |
| Gemini 3.5 Flash google | ● | 70.1 | 4 | 191 | 2026-05 | try | |
| Gemini 3.6 Flash google | ● | 69.2 | 1.75 | 200 | 2026-07 | try | |
| DeepSeek V4 Flash 0731 deepseek | ● | 69.1 | 0.0328 | 123 | 3× B200 304B, 11B active | 2026-07 | try |
| DeepSeek V4 Pro 0813 deepseek | ● | 68.8 | 1.63 | 79 | api price | 2026-08 | try |
| GLM 5.2 z-ai | ● | 68.8 | 0.108 | 193 | 6× B200 753B, 35B active | 2026-06 | try |
| Gemini 3.1 Pro Preview google | ● | 68.8 | 5.33 | 134 | 2026-02 | try | |
| Qwen3.8 27B qwen | ● | 68.1 | 0.0853 | 36 | 1× B200 28B | 2026-08 | try |
| Qwen3.7 Max qwen | ● | 66 | 2.46 | 200 | 2026-05 | try | |
| DeepSeek V4 Flash Vision Exp deepseek | ● | 65 | 0.0329 | 3× B200 305B, 11B active | 2026-08 | try | |
| Claude Sonnet 4.6 anthropic | ● | 63 | 7 | 44 | 2026-02 | try | |
| Kimi K2.6 moonshotai | ● | 61.8 | 0.0985 | 42 | 7× B200 1027B, 32B active | 2026-04 | try |
| Kimi K2.7 Code moonshotai | ● | 60.8 | 0.0985 | 57 | 7× B200 1027B, 32B active | 2026-06 | try |
| MiMo-V2.5-Pro xiaomi | ● | 60.2 | 0.0982 | 52 | 7× B200 1023B, 32B active | 2026-04 | try |
| Hy3 preview tencent | ● | 58.8 | 0.0573 | 2× B200 299B, 19B active | 2026-04 | try | |
| MiniMax M3 minimax | ● | 58.6 | 0.0615 | 121 | 3× B200 427B, 20B active | 2026-05 | try |
| Ling 3.0 Flash VL inclusionai | ● | 57 | 0.00899 | 1× B200 125B, 3B active | 2026-09 | try | |
| MiMo-V2.5 xiaomi | ● | 56.8 | 0.0447 | 79 | 3× B200 311B, 15B active | 2026-04 | try |
| DeepSeek V4 Flash 0423 deepseek | ● | 56.2 | 0.0314 | 2× B200 291B, 10B active | 2026-04 | try | |
| GPT-5.4 Nano openai | ● | 56.1 | 0.55 | 169 | 2026-03 | try | |
| GPT-5.4 Mini openai | ● | 56.1 | 2 | 204 | 2026-03 | try | |
| Qwen3.7 Plus qwen | ● | 55.9 | 0.64 | 56 | 2026-06 | try | |
| GLM 5.1 z-ai | ● | 55.8 | 0.109 | 77 | 6× B200 754B, 35B active | 2026-04 | try |
| Qwen3.6 Plus qwen | ● | 54.5 | 0.867 | 56 | 2026-04 | try | |
| Qwen3.6 27B qwen | ● | 53.7 | 0.0853 | 56 | 1× B200 28B | 2026-04 | try |
| Inkling Small thinkingmachines | ● | 52.9 | 0.0287 | 81 | 2× B200 266B, 9B active | 2026-07 | try |
| Solar Pro 4 upstage | ● | 52.7 | 0.3 | 58 | 2026-08 | try | |
| MiniMax M2.7 minimax | ● | 52.6 | 0.0329 | 49 | 2× B200 229B, 11B active | 2026-03 | try |
| Inkling thinkingmachines | ● | 52.1 | 0.103 | 139 | 7× B200 952B, 33B active | 2026-07 | try |
| Claude Sonnet 4.5 anthropic | ● | 52.1 | 7 | 2025-09 | try | ||
| Grok Build 0.1 x-ai | ● | 51.5 | 1.33 | 2026-05 | try | ||
| Ling 3.0 Flash inclusionai | ● | 50.6 | 0.00918 | 309 | 1× B200 127B, 3B active | 2026-07 | try |
| GPT-5.1 openai | ● | 49.4 | 4.17 | 95 | 2025-11 | try | |
| Gemini 3.5 Flash Lite google | ● | 49.3 | 1.03 | 392 | 2026-07 | try | |
| Nemotron 3 Ultra nvidia | ● | 49.3 | 0.169 | 4× B200 550B, 55B active | 2026-06 | try | |
| Muse Glimmer 30B meta | ● | 49 | 0.0914 | 1× B200 30B | 2026-08 | try | |
| Qwen3.5 397B A17B qwen | ● | 48.2 | 0.0522 | 59 | 3× B200 397B, 17B active | 2026-02 | try |
| Mistral Medium 3.5 mistralai | ● | 46.9 | 3.5 | 172 | 2026-04 | try | |
| Kimi K2.5 moonshotai | ● | 46.8 | 0.0985 | 52 | 7× B200 1027B, 32B active | 2026-01 | try |
| GLM 4.6 z-ai | ● | 45.8 | 0.0822 | 38 | 3× B200 357B, 27B active | 2025-09 | try |
| Qwen3.5-122B-A10B qwen | ● | 45.7 | 0.0307 | 143 | 1× B200 122B, 10B active | 2026-02 | try |
| LongCat 2.0 meituan | ● | 45.3 | 0.6 | 60 | api price | 2026-07 | try |
| GLM 4.7 z-ai | ● | 45.3 | 0.0825 | 39 | 3× B200 358B, 27B active | 2025-12 | try |
| DeepSeek V3.2 deepseek | ● | 44.2 | 0.0987 | 5× B200 685B, 32B active | 2025-12 | try | |
| Claude Haiku 4.5 anthropic | ● | 43.9 | 2.33 | 2025-10 | try | ||
| DeepSeek V3.1 Terminus deepseek | ● | 43.5 | 0.0985 | 5× B200 685B, 32B active | 2025-09 | try | |
| Gemma 4 31B google | ● | 43.4 | 0.096 | 35 | 1× B200 31B | 2026-04 | try |
| Grok 4.3 x-ai | ● | 42.2 | 1.67 | 72 | 2026-04 | try | |
| Qwen3.6 35B A3B qwen | ● | 41.9 | 0.00921 | 126 | 1× B200 35B, 3B active | 2026-04 | try |
| Step 3.7 Flash stepfun | ● | 39.6 | 0.0258 | 176 | 2× B200 201B, 8B active | 2026-05 | try |
| Gemma 4 26B A4B google | ● | 39.3 | 0.0123 | 87 | 1× B200 26B, 4B active | 2026-04 | try |
| GPT-5 openai | ● | 37.8 | 4.17 | 91 | 2025-08 | try | |
| Nemotron 3 Super nvidia | ● | 37.7 | 0.0369 | 1× B200 120B, 12B active | 2026-03 | try | |
| Qwen3.5-35B-A3B qwen | ● | 37 | 0.00921 | 148 | 1× B200 35B, 3B active | 2026-02 | try |
| North Mini Code cohere | ● | 36.5 | 0.00878 | 99 | 1× B200 30B, 3B active | 2026-06 | try |
| Qwen3 Coder Next qwen | ● | 36.2 | 0.00717 | 78 | 1× B200 80B, 2B active | 2026-02 | try |
| Gemini 3.1 Flash Lite Preview google | ● | 34.7 | 0.667 | 2026-03 | try | ||
| Gemini 2.5 Pro google | ● | 33.3 | 4.17 | 120 | 2025-06 | try | |
| Devstral 2 2512 mistralai | ● | 31.3 | 0.384 | 1× B200 125B | 2025-12 | try | |
| Mercury 2 inception | ● | 31.1 | 0.417 | 512 | 2026-03 | try | |
| gpt-oss-120b openai | ● | 30.4 | 0.0168 | 217 | 1× B200 117B, 5B active | 2025-08 | try |
| Qwen3.5-9B qwen | ● | 28.7 | 0.0296 | 153 | 1× B200 10B | 2026-03 | try |
| Command A+ cohere | ● | 27.8 | 0.7 | 247 | 2026-09 | try | |
| Nemotron 3.5 Lightning nvidia | ● | 26.8 | 0.00921 | 293 | 1× B200 30B, 3B active | 2026-08 | try |
| Mistral Small 4 mistralai | ● | 26.6 | 0.0172 | 160 | 1× B200 119B, 6B active | 2026-03 | try |
| Ling 3.0 Tiny inclusionai | ● | 26.5 | 0.00227 | 63 | 1× B200 8B, 1B active | 2026-08 | try |
| GPT-4o (2024-05-13) openai | ● | 24.2 | 8.33 | 2024-05 | try | ||
| Nova 2 Lite amazon | ● | 23 | 1.03 | 2025-12 | try | ||
| Granite 4.2 8B ibm-granite | ● | 22.4 | 0.027 | 124 | 1× B200 9B | 2026-08 | try |
| Qwen3 235B A22B Thinking 2507 qwen | ● | 22.1 | 0.0676 | 2× B200 235B, 22B active | 2025-07 | try | |
| GPT-4 Turbo openai | ● | 21.5 | 8.33 | 113 | 2024-04 | try | |
| DeepSeek V3 0324 deepseek | ● | 21.2 | 0.0985 | 133 | 5× B200 685B, 32B active | 2025-03 | try |
| Kimi K2 Thinking moonshotai | ● | 21 | 0.0985 | 118 | 7× B200 1026B, 32B active | 2025-11 | try |
| gpt-oss-20b openai | ● | 20.7 | 0.012 | 219 | 1× B200 21B, 4B active | 2025-08 | try |
| Mistral Medium 3.1 mistralai | ● | 20.5 | 0.933 | 2025-08 | try | ||
| GPT-4.1 Mini openai | ● | 20.2 | 0.8 | 148 | 2025-04 | try | |
| Mistral Large 3 2512 mistralai | ● | 20.1 | 0.833 | 2025-12 | try | ||
| Llama 4 Maverick meta-llama | ● | 16.3 | 0.0522 | 86 | 3× B200 402B, 17B active | 2025-04 | try |
| GPT-5 Mini openai | ● | 15.6 | 0.833 | 98 | 2025-08 | try | |
| Qwen3 32B qwen | ● | 15.3 | 0.101 | 27 | 1× B200 33B | 2025-04 | try |
| Nemotron 3 Nano 30B A3B nvidia | ● | 14.4 | 0.00921 | 1× B200 30B, 3B active | 2025-12 | try | |
| Ministral 3 14B 2512 mistralai | ● | 14.4 | 0.0428 | 1× B200 14B | 2025-12 | try | |
| Qwen3 14B qwen | ● | 13.8 | 0.0454 | 59 | 1× B200 15B | 2025-04 | try |
| Nemotron 3 Nano Omni nvidia | ● | 13.8 | 0.00921 | 1× B200 30B, 3B active | 2026-04 | try | |
| GPT-4 openai | ● | 13.1 | 40 | 2023-05 | try | ||
| Llama 3.3 70B Instruct meta-llama | ● | 11.9 | 0.217 | 1× B200 71B | 2024-12 | try | |
| GPT-4o-mini openai | ● | 11.4 | 0.3 | 81 | 2024-07 | try | |
| GPT-4.1 Nano openai | ● | 11.1 | 0.2 | 273 | 2025-04 | try | |
| Gemma 3 27B google | ● | 10.1 | 0.0842 | 1× B200 27B | 2025-03 | try | |
| Ministral 3 8B 2512 mistralai | ● | 9.7 | 0.0274 | 1× B200 9B | 2025-12 | try | |
| Llama 4 Scout meta-llama | ● | 8.2 | 0.0522 | 115 | 1× B200 109B, 17B active | 2025-04 | try |
| LFM2.5-2.6B liquid | ● | 7.7 | 0.00828 | 1× B200 3B | 2026-08 | try | |
| Gemma 3 12B google | ● | 5.8 | 0.0374 | 1× B200 12B | 2025-03 | try | |
| Llama 3.1 8B Instruct meta-llama | ● | 5.4 | 0.0247 | 1× B200 8B | 2024-07 | try | |
| Ministral 3 3B 2512 mistralai | ● | 4.8 | 0.0118 | 1× B200 4B | 2025-12 | try | |
| Gemma 3 4B google | ● | 2.7 | 0.0132 | 1× B200 4B | 2025-03 | try |
A card is written off over 3 years at 50% utilization, plus electricity at $0.2/kWh, times 1.3 for the box around it. The cheapest card (at most 8 per box) whose memory holds the fp8 weights wins. An output token costs card-hours ÷ (peak TFLOPS × 0.2 ÷ 2 × active parameters), an input token the same at 0.6. No margin, no idle box, no engineer: a floor, not a quote. Parameter counts come from Hugging Face; for mixture-of-experts models the active share is estimated.
| card | $ | GB | TFLOPS | W | $ / h |
|---|---|---|---|---|---|
| RTX 5090 | 2000 | 32 | 210 | 575 | 0.50 |
| H100 | 30000 | 80 | 989 | 700 | 3.33 |
| B200 | 40000 | 180 | 2250 | 1000 | 4.48 |