KokoroTTS VRAM Benchmark Details

Each official run appends lifecycle, per-language, and per-voice GPU memory measurements here.

2026-10-03 03:20:48 UTC - 0.4-snapshot

  • Model: hexgrad/Kokoro-82M
  • GPU: NVIDIA GeForce RTX 5070 Ti (16303 MiB)
  • Sample interval: 50 ms
  • Comment: Official quiet-GPU RTX 5070 Ti baseline for v0.4-snapshot; full catalog with lifecycle, per-language, and per-voice measurements

Lifecycle Stages

Stage Process allocated Process reserved Process peak allocated Process peak reserved Device used
Before runtime 0.0 MiB 0.0 MiB 0.0 MiB 0.0 MiB 1293.6 MiB
After voice preparation 0.0 MiB 0.0 MiB 0.0 MiB 0.0 MiB 1293.6 MiB
After initial model weights 317.6 MiB 332.0 MiB 317.6 MiB 332.0 MiB 1673.6 MiB
After all inference 1283.5 MiB 1324.0 MiB 1725.1 MiB 2052.0 MiB 2687.6 MiB

By Language

Language Voices Process peak allocated Process peak reserved Peak voice Device peak Device peak voice
American English 20 1022.0 MiB 1356.0 MiB af_nicole 2715.6 MiB af_nicole
British English 8 800.2 MiB 1064.0 MiB bm_lewis 2425.6 MiB bm_lewis
Japanese 5 962.2 MiB 1430.0 MiB jf_nezumi 2791.6 MiB jf_nezumi
Mandarin Chinese 8 809.6 MiB 1082.0 MiB zf_xiaoni 2443.6 MiB zf_xiaoni
Spanish 3 756.9 MiB 1096.0 MiB ef_dora 2457.6 MiB ef_dora
French 1 764.2 MiB 982.0 MiB ff_siwis 2343.6 MiB ff_siwis
Hindi 4 817.3 MiB 1208.0 MiB hm_omega 2569.6 MiB hm_omega
Italian 2 767.0 MiB 1152.0 MiB im_nicola 2513.6 MiB im_nicola
Brazilian Portuguese 3 735.4 MiB 1048.0 MiB pf_dora 2409.6 MiB pf_dora
German 2 1430.7 MiB 1658.0 MiB dm_martin 3019.6 MiB dm_martin
Vietnamese 14 1725.1 MiB 2052.0 MiB storyvert 3413.6 MiB storyvert

By Voice

Language Voice Name Audio Process peak allocated Process peak reserved Inference increment Device baseline Device peak Samples
American English af_heart Heart 22.425s 789.4 MiB 1124.0 MiB 792.0 MiB 1673.6 MiB 2483.6 MiB 42
American English af_bella Bella 22.950s 799.6 MiB 1064.0 MiB 732.0 MiB 1713.6 MiB 2423.6 MiB 6
American English af_nicole Nicole 33.725s 1022.0 MiB 1356.0 MiB 1024.0 MiB 1713.6 MiB 2715.6 MiB 7
American English af_aoede Aoede 21.400s 769.0 MiB 1134.0 MiB 802.0 MiB 1713.6 MiB 2493.6 MiB 7
American English af_kore Kore 20.650s 753.1 MiB 1076.0 MiB 744.0 MiB 1713.6 MiB 2437.6 MiB 7
American English af_sarah Sarah 21.950s 781.1 MiB 1024.0 MiB 692.0 MiB 1715.6 MiB 2385.6 MiB 6
American English af_nova Nova 18.850s 716.6 MiB 990.0 MiB 658.0 MiB 1715.6 MiB 2351.6 MiB 6
American English af_sky Sky 20.550s 751.1 MiB 1088.0 MiB 756.0 MiB 1715.6 MiB 2449.6 MiB 6
American English af_alloy Alloy 18.800s 714.6 MiB 990.0 MiB 658.0 MiB 1715.6 MiB 2351.6 MiB 6
American English af_jessica Jessica 18.725s 714.0 MiB 890.0 MiB 558.0 MiB 1715.6 MiB 2251.6 MiB 6
American English af_river River 18.475s 710.6 MiB 888.0 MiB 556.0 MiB 1715.6 MiB 2249.6 MiB 7
American English am_michael Michael 24.275s 825.8 MiB 1126.0 MiB 794.0 MiB 1715.6 MiB 2487.6 MiB 6
American English am_fenrir Fenrir 20.300s 747.4 MiB 960.0 MiB 628.0 MiB 1715.6 MiB 2321.6 MiB 6
American English am_puck Puck 19.750s 735.8 MiB 1048.0 MiB 716.0 MiB 1715.6 MiB 2409.6 MiB 6
American English am_echo Echo 19.150s 721.9 MiB 900.0 MiB 568.0 MiB 1715.6 MiB 2261.6 MiB 6
American English am_eric Eric 17.975s 698.5 MiB 950.0 MiB 618.0 MiB 1715.6 MiB 2311.6 MiB 5
American English am_liam Liam 19.000s 720.8 MiB 988.0 MiB 656.0 MiB 1715.6 MiB 2349.6 MiB 6
American English am_onyx Onyx 18.800s 714.8 MiB 990.0 MiB 658.0 MiB 1715.6 MiB 2351.6 MiB 5
American English am_santa Santa 20.950s 762.1 MiB 982.0 MiB 650.0 MiB 1715.6 MiB 2343.6 MiB 6
American English am_adam Adam 20.700s 755.4 MiB 1094.0 MiB 762.0 MiB 1715.6 MiB 2455.6 MiB 6
British English bf_emma Emma 20.250s 746.3 MiB 960.0 MiB 628.0 MiB 1715.6 MiB 2321.6 MiB 6
British English bf_isabella Isabella 20.450s 748.7 MiB 964.0 MiB 632.0 MiB 1715.6 MiB 2325.6 MiB 6
British English bf_alice Alice 20.375s 748.7 MiB 962.0 MiB 630.0 MiB 1715.6 MiB 2323.6 MiB 6
British English bf_lily Lily 20.225s 746.6 MiB 996.0 MiB 664.0 MiB 1715.6 MiB 2357.6 MiB 6
British English bm_george George 22.675s 796.5 MiB 1062.0 MiB 730.0 MiB 1715.6 MiB 2423.6 MiB 6
British English bm_fable Fable 18.800s 715.1 MiB 988.0 MiB 656.0 MiB 1715.6 MiB 2349.6 MiB 5
British English bm_lewis Lewis 22.925s 800.2 MiB 1064.0 MiB 732.0 MiB 1715.6 MiB 2425.6 MiB 6
British English bm_daniel Daniel 18.850s 717.1 MiB 988.0 MiB 656.0 MiB 1715.6 MiB 2349.6 MiB 5
Japanese jf_alpha Alpha 24.600s 833.7 MiB 1052.0 MiB 720.0 MiB 1715.6 MiB 2413.6 MiB 6
Japanese jf_gongitsune Gongitsune 30.550s 956.7 MiB 1318.0 MiB 986.0 MiB 1715.6 MiB 2679.6 MiB 6
Japanese jf_nezumi Nezumi 30.950s 962.2 MiB 1430.0 MiB 1098.0 MiB 1715.6 MiB 2791.6 MiB 6
Japanese jf_tebukuro Tebukuro 30.350s 952.8 MiB 1318.0 MiB 986.0 MiB 1715.6 MiB 2679.6 MiB 6
Japanese jm_kumo Kumo 25.975s 859.3 MiB 1150.0 MiB 818.0 MiB 1715.6 MiB 2511.6 MiB 6
Mandarin Chinese zf_xiaobei Xiaobei 23.400s 809.6 MiB 1068.0 MiB 736.0 MiB 1715.6 MiB 2429.6 MiB 15
Mandarin Chinese zf_xiaoni Xiaoni 20.725s 756.8 MiB 1082.0 MiB 750.0 MiB 1715.6 MiB 2443.6 MiB 6
Mandarin Chinese zf_xiaoxiao Xiaoxiao 19.925s 739.1 MiB 928.0 MiB 596.0 MiB 1715.6 MiB 2289.6 MiB 6
Mandarin Chinese zf_xiaoyi Xiaoyi 19.800s 736.2 MiB 1020.0 MiB 688.0 MiB 1715.6 MiB 2381.6 MiB 6
Mandarin Chinese zm_yunjian Yunjian 19.050s 723.5 MiB 964.0 MiB 632.0 MiB 1715.6 MiB 2325.6 MiB 6
Mandarin Chinese zm_yunxi Yunxi 18.025s 700.8 MiB 942.0 MiB 610.0 MiB 1715.6 MiB 2303.6 MiB 6
Mandarin Chinese zm_yunxia Yunxia 21.100s 767.2 MiB 988.0 MiB 656.0 MiB 1715.6 MiB 2349.6 MiB 6
Mandarin Chinese zm_yunyang Yunyang 17.675s 695.8 MiB 844.0 MiB 512.0 MiB 1715.6 MiB 2205.6 MiB 5
Spanish ef_dora Dora 20.700s 756.9 MiB 1096.0 MiB 764.0 MiB 1715.6 MiB 2457.6 MiB 5
Spanish em_alex Alex 20.725s 756.4 MiB 1076.0 MiB 744.0 MiB 1715.6 MiB 2437.6 MiB 6
Spanish em_santa Santa 20.625s 752.9 MiB 1090.0 MiB 758.0 MiB 1715.6 MiB 2451.6 MiB 5
French ff_siwis Siwis 21.100s 764.2 MiB 982.0 MiB 650.0 MiB 1715.6 MiB 2343.6 MiB 6
Hindi hf_alpha Alpha 23.000s 801.8 MiB 1090.0 MiB 758.0 MiB 1715.6 MiB 2451.6 MiB 6
Hindi hf_beta Beta 19.550s 731.7 MiB 916.0 MiB 584.0 MiB 1715.6 MiB 2277.6 MiB 6
Hindi hm_omega Omega 23.175s 805.8 MiB 1208.0 MiB 876.0 MiB 1715.6 MiB 2569.6 MiB 7
Hindi hm_psi Psi 23.600s 817.3 MiB 1070.0 MiB 738.0 MiB 1715.6 MiB 2431.6 MiB 6
Italian if_sara Sara 19.500s 732.7 MiB 944.0 MiB 612.0 MiB 1715.6 MiB 2305.6 MiB 6
Italian im_nicola Nicola 21.375s 767.0 MiB 1152.0 MiB 820.0 MiB 1715.6 MiB 2513.6 MiB 6
Brazilian Portuguese pf_dora Dora 19.650s 733.1 MiB 1048.0 MiB 716.0 MiB 1715.6 MiB 2409.6 MiB 6
Brazilian Portuguese pm_alex Alex 19.750s 735.1 MiB 1048.0 MiB 716.0 MiB 1715.6 MiB 2409.6 MiB 5
Brazilian Portuguese pm_santa Santa 19.775s 735.4 MiB 1048.0 MiB 716.0 MiB 1715.6 MiB 2409.6 MiB 5
German df_victoria Victoria 26.850s 1198.1 MiB 1532.0 MiB 1200.0 MiB 1715.6 MiB 2893.6 MiB 26
German dm_martin Martin 22.475s 1430.7 MiB 1658.0 MiB 1326.0 MiB 2045.6 MiB 3019.6 MiB 22
Vietnamese diem_trinh Diễm Trinh 16.575s 1627.7 MiB 1800.0 MiB 1468.0 MiB 2349.6 MiB 3161.6 MiB 24
Vietnamese hung_thinh Hưng Thịnh 16.425s 1624.5 MiB 1876.0 MiB 1544.0 MiB 2665.6 MiB 3237.6 MiB 7
Vietnamese mai_linh Mai Linh 16.350s 1625.2 MiB 1876.0 MiB 1544.0 MiB 2685.6 MiB 3237.6 MiB 7
Vietnamese mai_loan Mai Loan 20.000s 1699.2 MiB 1932.0 MiB 1600.0 MiB 2665.6 MiB 3293.6 MiB 7
Vietnamese manh_dung Mạnh Dũng 17.525s 1649.0 MiB 1826.0 MiB 1494.0 MiB 2685.6 MiB 3187.6 MiB 7
Vietnamese my_yen Mỹ Yến 19.000s 1680.0 MiB 1946.0 MiB 1614.0 MiB 2685.6 MiB 3307.6 MiB 7
Vietnamese ngoc_huyen Ngọc Huyền 17.750s 1654.6 MiB 1824.0 MiB 1492.0 MiB 2665.6 MiB 3185.6 MiB 7
Vietnamese phat_tai Phát Tài 17.700s 1652.7 MiB 1794.0 MiB 1462.0 MiB 2685.6 MiB 3155.6 MiB 7
Vietnamese thanh_dat Thành Đạt 18.675s 1670.3 MiB 1814.0 MiB 1482.0 MiB 2685.6 MiB 3175.6 MiB 7
Vietnamese thuc_trinh Thục Trinh 16.400s 1624.2 MiB 1848.0 MiB 1516.0 MiB 2665.6 MiB 3209.6 MiB 7
Vietnamese tuan_ngoc Tuấn Ngọc 16.975s 1638.7 MiB 1778.0 MiB 1446.0 MiB 2685.6 MiB 3139.6 MiB 7
Vietnamese storyvert Storyvert 21.375s 1725.1 MiB 2052.0 MiB 1720.0 MiB 2685.6 MiB 3413.6 MiB 6
Vietnamese duc_an Đức An 17.250s 1642.2 MiB 1872.0 MiB 1540.0 MiB 2665.6 MiB 3235.6 MiB 7
Vietnamese duc_duy Đức Duy 16.000s 1618.1 MiB 1758.0 MiB 1426.0 MiB 2687.6 MiB 3121.6 MiB 6