klingai-upgrade-migration

# Kling AI Upgrade & Migration ## Overview Guide for migrating between Kling AI model versions. Covers breaking changes, parameter differences, feature availability, and parallel testing strategies. ## Version History | Version | Release | Key Changes | |---------|---------|-------------| | v1.0 | 2024-06 | Initial T2V + I2V | | v1.5 | 2024-09 | 1080p, motion brush, I2V-only model | | v1.6 | 2024-11 | Lip sync, camera paths, effects API | | v2.0 | 2025-03 | Quality leap, `kling-v2-master` | | v2.1 | 2025-06 | Optimized I2V, `kling-v2-1-master` for T2V | | v2.5 Turbo | 2025-09 | 40% faster, best speed/quality ratio | | v2.6 | 2025-12 | Native audio, 30-48 FPS, highest quality | ## Migration: v1.x to v2.x ```python # v1.x request body = { "model_name": "kling-v1-6", "prompt": "A sunset over mountains", "duration": "5", "mode": "standard", } # v2.x -- only model_name changes body["model_name"] = "kling-v2-master" ``` **Breaking changes:** - `kling-v2-1` is I2V-only (no text-to-video support) - Camera control intensities produce different results at same values - Generation times differ (v2.x generally slower, higher quality) ## Migration: v2.x to v2.6 with Audio ```python body["model_name"] = "kling-v2-6" body["motion_has_audio"] = True # NEW: synchronized audio # Cost impact: audio multiplies credits 5x # 5s standard: 10 -> 50 credits ``` ## Feature Availability Matrix | Feature | v1.0 | v1.5 | v1.6 | v2.0 | v2.1 | v2.5T | v2.6 | |---------|------|...