---
title: "Changes to Start Task Diagnostics"
method: POST
path: "/api/v1/diagnostics/task/run"
---

# Changes to Start Task Diagnostics

`POST /api/v1/diagnostics/task/run`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 7 of 63 revisions.

- **2026-11-02** `5b5a8ae4b4a4`: 5 info
- **2026-11-02** `ac63eff4913f`: 1 breaking, 21 warning, 23 info
- **2026-10-31** `7b218d495d5c`: 1 breaking, 1 info
- **2026-10-17** `30d547077e65`: 3 info
- **2026-10-15** `7f7a777f5bb4`: 1 info
- **2026-10-14** `a9423fc3918b`: 1 breaking
- **2026-10-08** `b4c911fecb8c`: 1 info

## Changes

- **2026-11-02** `5b5a8ae4b4a4`: 5 info
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/val_max_output_tokens_per_trajectory`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/val_max_output_tokens_per_turn`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/val_max_turns_per_trajectory`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/val_trajectory_timeout_seconds`
  - the `options/anyOf[subschema #1: RunOptions]/max_concurrent_trajectories/anyOf[subschema #1]/` request property's max was increased from `512.00` to `1024.00`
- **2026-11-02** `ac63eff4913f`: 1 breaking, 21 warning, 23 info
  - removed the enum value `reinforce_plus_plus` of the request property `options/anyOf[subschema #1: RunOptions]/algorithm/anyOf[subschema #1: TrainingAlgorithm]/`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/batch_collection_idle_timeout_seconds`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/evaluation_collection_timeout_seconds`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/evaluation_enabled`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/evaluation_frequency`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/evaluation_max_active_rollouts`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/evaluation_max_samples`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/evaluation_reasoning_effort`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/evaluation_samples_per_task`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/evaluation_temperature`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/evaluation_top_k`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/evaluation_top_p`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/execution_timeout_seconds`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/intelligent_density_training`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/max_active_rollouts`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/max_output_tokens_per_step`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/max_steps_off_policy`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/max_total_tokens_per_trajectory`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/min_lr_ratio`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/min_samples_per_group`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/samples_per_instance`
  - removed the request property `options/anyOf[subschema #1: RunOptions]/train_batch_size`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/batch_size`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/batch_timeout_seconds`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/density_aware_training`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/lr_min_ratio`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/max_concurrent_trajectories`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/max_output_tokens_per_trajectory`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/max_output_tokens_per_turn`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/max_staleness`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/min_trajectories_per_group`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/train_on_all_fail`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/train_on_all_pass`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/train_on_zero_advantage`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/trajectory_timeout_seconds`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/val_enabled`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/val_final_wait_timeout_seconds`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/val_interval_steps`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/val_max_concurrent_trajectories`
  - added the new optional request property `options/anyOf[subschema #1: RunOptions]/val_num_tasks`
  - …5 more
- **2026-10-31** `7b218d495d5c`: 1 breaking, 1 info
  - removed the enum value `qwen/qwen3-235b-a22b` of the request property `base_model_slug`
  - added the new optional request property `options`
- **2026-10-17** `30d547077e65`: 3 info
  - added the new `openai/gpt-6-astra` enum value to the request property `base_model_slug`
  - added the new `openai/gpt-6-sol` enum value to the request property `base_model_slug`
  - added the new `openai/gpt-6.1-sol` enum value to the request property `base_model_slug`
- **2026-10-15** `7f7a777f5bb4`: 1 info
  - added the new `z-ai/glm-5.3-flash` enum value to the request property `base_model_slug`
- **2026-10-14** `a9423fc3918b`: 1 breaking
  - removed the enum value `Qwen/Qwen3.6-27B` of the request property `base_model_slug`
- **2026-10-08** `b4c911fecb8c`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/trajectory/apis/trajectory-api/docs/api/v1/diagnostics/task/run/post.md) - [API](https://skmtc.dev/trajectory/apis/trajectory-api.md) - [Page](https://skmtc.dev/trajectory/apis/trajectory-api/changes/api/v1/diagnostics/task/run/post)