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thread_id
string
turn
int64
features
list
target_output
float64
target_burst
int64
5316b20a1803
0
[ 0, 3.0333, 0, 0, 1, 0.1517 ]
159
0
5316b20a1803
1
[ 0.02, 3.1916, 0.159, 1.6094, 0.8737, 0.1596 ]
91
0
5316b20a1803
2
[ 0.04, 3.3008, 0.091, 1.3863, 0.9066, 0.165 ]
95
0
5316b20a1803
3
[ 0.06, 3.3712, 0.095, 1.6094, 0.9237, 0.1686 ]
360
0
5316b20a1803
4
[ 0.08, 3.7654, 0.36, 1.7918, 0.9183, 0.1883 ]
74
0
5316b20a1803
5
[ 0.1, 3.8771, 0.074, 1.3863, 0.8955, 0.1939 ]
127
0
5316b20a1803
6
[ 0.12, 4.0517, 0.127, 1.6094, 0.9184, 0.2026 ]
129
0
5316b20a1803
7
[ 0.14, 4.1479, 0.129, 1.7918, 0.9311, 0.2074 ]
1,299
0
5316b20a1803
8
[ 0.16, 4.3937, 1.299, 2.4849, 0.9275, 0.2197 ]
1,194
0
5316b20a1803
9
[ 0.18, 4.5398, 1.194, 2.4849, 0.9441, 0.227 ]
423
0
5316b20a1803
10
[ 0.2, 4.5948, 0.423, 1.9459, 0.9422, 0.2297 ]
298
0
5316b20a1803
11
[ 0.22, 4.6417, 0.298, 1.6094, 0.9435, 0.2321 ]
237
0
5316b20a1803
12
[ 0.24, 4.704, 0.237, 2.9957, 0.9458, 0.2352 ]
704
0
5316b20a1803
13
[ 0.26, 4.7873, 0.704, 2.3026, 0.9432, 0.2394 ]
187
0
5316b20a1803
14
[ 0.28, 4.8731, 0.187, 1.6094, 0.9566, 0.2437 ]
855
0
5316b20a1803
15
[ 0.3, 5.0317, 0.855, 2.3026, 0.9571, 0.2516 ]
1,102
0
5316b20a1803
16
[ 0.32, 5.3213, 1.102, 2.3979, 0.9551, 0.2661 ]
84
0
5316b20a1803
17
[ 0.34, 5.5121, 0.084, 1.6094, 0.9457, 0.2756 ]
237
0
5316b20a1803
18
[ 0.36, 5.6387, 0.237, 1.9459, 0.9284, 0.2819 ]
1,035
0
5316b20a1803
19
[ 0.38, 5.7548, 1.035, 2.3979, 0.9413, 0.2877 ]
408
0
5316b20a1803
20
[ 0.4, 5.8105, 0.408, 2.0794, 0.9619, 0.2905 ]
307
0
5316b20a1803
21
[ 0.42, 5.858, 0.307, 1.9459, 0.9552, 0.2929 ]
210
0
5316b20a1803
22
[ 0.44, 5.9973, 0.21, 1.6094, 0.9569, 0.2999 ]
242
0
5316b20a1803
23
[ 0.46, 6.0365, 0.242, 1.7918, 0.9571, 0.3018 ]
196
0
5316b20a1803
24
[ 0.48, 6.283, 0.196, 1.7918, 0.9596, 0.3141 ]
181
0
5316b20a1803
25
[ 0.5, 6.4534, 0.181, 1.7918, 0.9608, 0.3227 ]
222
0
5316b20a1803
26
[ 0.52, 6.5379, 0.222, 1.9459, 0.942, 0.3269 ]
153
0
5316b20a1803
27
[ 0.54, 6.1042, 0.153, 0, 0.9638, 0.3052 ]
1,290
0
5316b20a1803
28
[ 0.56, 6.2956, 1.29, 2.8332, 0.9558, 0.3148 ]
459
0
5316b20a1803
29
[ 0.58, 6.4263, 0.459, 2.0794, 0.9558, 0.3213 ]
336
0
5316b20a1803
30
[ 0.6, 6.5089, 0.336, 2.3979, 0.9617, 0.3254 ]
185
0
5316b20a1803
31
[ 0.62, 6.5852, 0.185, 1.6094, 0.9558, 0.3293 ]
120
0
5316b20a1803
32
[ 0.64, 6.664, 0.12, 1.6094, 0.9573, 0.3332 ]
2,095
1
5316b20a1803
33
[ 0.66, 6.9191, 2.095, 3.1355, 0.9691, 0.346 ]
156
0
5316b20a1803
34
[ 0.68, 6.9867, 0.156, 2.7081, 0.9631, 0.3493 ]
341
0
5316b20a1803
35
[ 0.7, 7.0807, 0.341, 2.4849, 0.9701, 0.354 ]
752
0
5316b20a1803
36
[ 0.72, 7.2233, 0.752, 2.6391, 0.9705, 0.3612 ]
797
0
5316b20a1803
37
[ 0.74, 7.3934, 0.797, 2.5649, 0.9599, 0.3697 ]
1,140
0
5316b20a1803
38
[ 0.76, 7.515, 1.14, 2.4849, 0.9678, 0.3757 ]
105
0
5316b20a1803
39
[ 0.78, 7.542, 0.105, 1.7918, 0.9717, 0.3771 ]
1,245
0
5316b20a1803
40
[ 0.8, 7.6741, 1.245, 2.7726, 0.9693, 0.3837 ]
88
0
5316b20a1803
41
[ 0.82, 7.8056, 0.088, 2.7081, 0.9709, 0.3903 ]
1,119
0
5316b20a1803
42
[ 0.84, 7.9251, 1.119, 2.3026, 0.9692, 0.3963 ]
122
0
5316b20a1803
43
[ 0.86, 8.0928, 0.122, 1.6094, 0.9694, 0.4046 ]
207
0
5316b20a1803
44
[ 0.88, 8.1255, 0.207, 3.5553, 0.9698, 0.4063 ]
648
0
5316b20a1803
45
[ 0.9, 8.2025, 0.648, 2.0794, 0.9708, 0.4101 ]
95
0
5316b20a1803
46
[ 0.92, 8.2824, 0.095, 2.7081, 0.9657, 0.4141 ]
95
0
5316b20a1803
47
[ 0.94, 8.5791, 0.095, 1.6094, 0.9657, 0.429 ]
914
0
5316b20a1803
48
[ 0.96, 8.6832, 0.914, 2.3026, 0.9655, 0.4342 ]
116
0
5316b20a1803
49
[ 0.98, 8.7068, 0.116, 1.3863, 0.9645, 0.4353 ]
152
0
5316b20a1803
50
[ 1, 8.7404, 0.152, 1.6094, 0.9738, 0.437 ]
232
0
5316b20a1803
51
[ 1.02, 8.792, 0.232, 1.6094, 0.9727, 0.4396 ]
121
0
5316b20a1803
52
[ 1.04, 8.8303, 0.121, 1.3863, 0.9709, 0.4415 ]
1,282
0
5316b20a1803
53
[ 1.06, 8.9777, 1.282, 2.3979, 0.9725, 0.4489 ]
94
0
5316b20a1803
54
[ 1.08, 9.0569, 0.094, 1.3863, 0.976, 0.4528 ]
219
0
5316b20a1803
55
[ 1.1, 9.1001, 0.219, 1.7918, 0.9687, 0.455 ]
122
0
5316b20a1803
56
[ 1.12, 9.1259, 0.122, 1.6094, 0.9728, 0.4563 ]
70
0
5316b20a1803
57
[ 1.14, 9.2004, 0.07, 1.3863, 0.9747, 0.46 ]
1,299
0
5316b20a1803
58
[ 1.16, 9.3407, 1.299, 2.3979, 0.9766, 0.467 ]
122
0
5316b20a1803
59
[ 1.18, 9.4144, 0.122, 1.6094, 0.9777, 0.4707 ]
836
0
5316b20a1803
60
[ 1.2, 9.5056, 0.836, 2.0794, 0.9783, 0.4753 ]
138
0
5316b20a1803
61
[ 1.22, 9.5778, 0.138, 1.6094, 0.9689, 0.4789 ]
592
0
5316b20a1803
62
[ 1.24, 9.647, 0.592, 2.1972, 0.9711, 0.4824 ]
3,849
1
5316b20a1803
63
[ 1.26, 10.0395, 3.849, 3.2958, 0.9779, 0.502 ]
3,008
1
5316b20a1803
64
[ 1.28, 10.3479, 3.008, 3.091, 0.961, 0.5174 ]
510
0
5316b20a1803
65
[ 1.3, 10.4585, 0.51, 2.0794, 0.9703, 0.5229 ]
91
0
5316b20a1803
66
[ 1.32, 10.4792, 0.091, 2.3979, 0.9699, 0.524 ]
128
0
5316b20a1803
67
[ 1.34, 10.8152, 0.128, 1.7918, 0.9785, 0.5408 ]
96
0
ade726522329
0
[ 0, 3.4107, 0, 0, 1, 0.1705 ]
227
0
ade726522329
1
[ 0.02, 3.6758, 0.227, 1.7918, 0, 0.1838 ]
203
0
ade726522329
2
[ 0.04, 3.9366, 0.203, 1.7918, 0.9279, 0.1968 ]
199
0
ade726522329
3
[ 0.06, 4.2193, 0.199, 1.6094, 0.7973, 0.211 ]
1,203
0
ade726522329
4
[ 0.08, 4.3795, 1.203, 2.5649, 0.933, 0.219 ]
77
0
ade726522329
5
[ 0.1, 4.441, 0.077, 1.3863, 0.9167, 0.222 ]
74
0
ade726522329
6
[ 0.12, 4.6103, 0.074, 2.8904, 0.94, 0.2305 ]
817
0
ade726522329
7
[ 0.14, 4.74, 0.817, 2.3979, 0.9515, 0.237 ]
75
0
ade726522329
8
[ 0.16, 4.8473, 0.075, 1.6094, 0.9295, 0.2424 ]
4,785
1
ade726522329
9
[ 0.18, 5.3334, 4.785, 3.7842, 0.9357, 0.2667 ]
1,440
0
ade726522329
10
[ 0.2, 5.4869, 1.44, 2.8332, 0.6891, 0.2743 ]
3,663
1
ade726522329
11
[ 0.22, 5.8608, 3.663, 3.8501, 0.8836, 0.293 ]
2,305
1
ade726522329
12
[ 0.24, 6.0989, 2.305, 3.0445, 0.9363, 0.3049 ]
1,572
0
ade726522329
13
[ 0.26, 6.2637, 1.572, 2.7081, 0.961, 0.3132 ]
1,266
0
ade726522329
14
[ 0.28, 6.3979, 1.266, 2.3979, 0.9411, 0.3199 ]
769
0
ade726522329
15
[ 0.3, 6.4894, 0.769, 2.3979, 0.9564, 0.3245 ]
554
0
ade726522329
16
[ 0.32, 12.2669, 0.554, 0, 0.9544, 0.6133 ]
2,676
1
ade726522329
17
[ 0.34, 12.5591, 2.676, 2.9957, 0.9808, 0.628 ]
630
0
ade726522329
18
[ 0.36, 12.6362, 0.63, 2.1972, 0.9767, 0.6318 ]
373
0
ade726522329
19
[ 0.38, 12.7013, 0.373, 1.7918, 0.9777, 0.6351 ]
329
0
ade726522329
20
[ 0.4, 12.7537, 0.329, 1.7918, 0.9787, 0.6377 ]
467
0
ade726522329
21
[ 0.42, 12.8297, 0.467, 2.0794, 0.9798, 0.6415 ]
865
0
ade726522329
22
[ 0.44, 12.9586, 0.865, 2.3026, 0.9781, 0.6479 ]
2,039
1
ade726522329
23
[ 0.46, 13.2593, 2.039, 2.9444, 0.9743, 0.663 ]
662
0
ade726522329
24
[ 0.48, 13.3473, 0.662, 2.1972, 0.9773, 0.6674 ]
771
0
ade726522329
25
[ 0.5, 13.5145, 0.771, 2.0794, 0.9781, 0.6757 ]
651
0
ade726522329
26
[ 0.52, 13.7307, 0.651, 2.1972, 0.9837, 0.6865 ]
98
0
ade726522329
27
[ 0.54, 13.8448, 0.098, 1.9459, 0.9842, 0.6922 ]
84
0
ade726522329
28
[ 0.56, 14.0205, 0.084, 1.6094, 0.9808, 0.701 ]
1,116
0
ade726522329
29
[ 0.58, 14.1766, 1.116, 2.3979, 0.98, 0.7088 ]
202
0
ade726522329
30
[ 0.6, 14.2424, 0.202, 1.7918, 0.9746, 0.7121 ]
222
0
ade726522329
31
[ 0.62, 14.2788, 0.222, 1.7918, 0.981, 0.7139 ]
197
0
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tokenledger-events: Coding Agent Per-Turn Observability Dataset

A structured dataset of 21,617 per-turn token events collected from long-running autonomous AI coding agent workflows.


Dataset Summary

Modern autonomous coding agents (Claude Code, Antigravity, Cursor, Devin) run multi-turn loops lasting tens or hundreds of steps. While short conversational turns require relatively few output tokens, complex reasoning, diff drafting, and tool invocation cause extreme long-tail output bursts. Furthermore, prompt caching behavior shifts drastically based on idle duration between turns.

This dataset provides real-world telemetry for:

  • Predicting per-turn output generation lengths.
  • Detecting high-cost tail burst risks.
  • Modeling prompt cache expiration dynamics across idle gaps.

Privacy & Safety

Zero Text Content: This dataset strictly contains numerical and structural telemetry (token counts, timestamps, idle gaps, anonymous thread hashes). No user prompts, code snippets, or model response text are stored or distributed.


Splits & Structure

To ensure zero inter-turn data leakage, the dataset is partitioned strictly by session thread, never by random row selection:

  • Train (train.jsonl): 70% of threads
  • Validation (val.jsonl): 15% of threads
  • Test (test.jsonl): 15% of threads

Record Schema

{
  "thread_id": "a9f8b4c2e10d",
  "turn": 14,
  "features": [
    0.28,      // turn_index scaled
    14.25,     // prompt_tokens in thousands (142.5k context)
    0.32,      // prev_output_tokens in thousands
    3.81,      // log(1 + gap_seconds)
    1.0,       // prev_cache_hit_ratio
    0.71       // window_fill_ratio (against 200k context)
  ],
  "target_output": 284.0,   // Ground truth output tokens
  "target_burst": 0         // 1 if output > 2000 tokens, else 0
}

How to Use with Hugging Face datasets

from datasets import load_dataset

dataset = load_dataset("ngc1024/tokenledger-events")
print(dataset["train"][0])
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