Changelog

What's shipped, newest first. Major features roll into the features page ; bug fixes and small improvements don't always appear here. Subscribe via RSS or the updates list .

• 2026-04-14 [site]

  Marketing site + developer docs

  • ▸ Launched modelux.ai with terminal-themed marketing pages and developer docs.
  • ▸ Every docs page available as raw markdown (/docs/<slug>.md) and through /llms.txt + /llms-full.txt for LLM ingestion.
  • ▸ Pagefind full-text search in the top nav on docs pages.
  • ▸ JSON-LD structured data, OG images, sitemap, AI-crawler-friendly robots.txt.
• 2026-04-12 [analytics]

  Users page, cost forecasting, period-over-period

  • ▸ New Users page surfaces top end-users by spend, volume, and latency.
  • ▸ Cost forecasting card projects end-of-month spend with trend confidence.
  • ▸ Period-over-period comparison overlays a previous window on every chart.
• 2026-04-10 [analytics]

  Tag filtering across logs and analytics

  • ▸ Filter logs and analytics by arbitrary tag key-value pairs you attach at request time.
  • ▸ New analytics dashboard with stacked series, per-provider health rollups, and per-tag breakdowns.
• 2026-04-09 [exports]

  Warehouse export via S3 Parquet

  • ▸ Configure scheduled exports of request logs, audit events, and aggregates to your own S3 bucket.
  • ▸ Parquet format with predictable per-hour partitioning.
  • ▸ BullMQ-backed worker with retries, backfills, and resumable cursors.
  • ▸ Tests cover transforms, PII handling, cursors, and multi-tenant isolation.
• 2026-04-08 [integrations]

  Integrations surface + developer API keys

  • ▸ Consolidated integration settings under a single Integrations page: webhooks, MCP, exports, management tokens.
  • ▸ Rotate management API keys and view MCP tool usage from one place.
• 2026-04-07 [mcp]

  MCP server with 80+ management tools

  • ▸ New MCP server at api.modelux.ai/mcp exposes every management API action as an MCP tool.
  • ▸ Works with Claude Code, Cursor, and any MCP-compatible client.
  • ▸ Natural-language workflows for creating configs, setting budgets, rotating credentials, inspecting logs.
• 2026-04-05 [routing]

  Custom rule DSL

  • ▸ New custom_rules routing strategy with a small expression DSL over cost, latency, budget, and tags.
  • ▸ Test-harness endpoint lets you evaluate rules against sample requests before promoting.
  • ▸ Tenant-aware routing: branch on tags.tenant to dispatch enterprise traffic differently.
• 2026-04-04 [audit]

  Audit log + config versioning

  • ▸ Every management-API mutation now writes an audit event with actor, target resource, diff, and source (UI, API, MCP).
  • ▸ Routing configs and provider credentials keep a full version history.
  • ▸ One-click rollback to any previous version.
• 2026-04-02 [replay]

  Replay simulator

  • ▸ Pick a window of historical traffic (up to 24h) and replay it against a candidate routing config.
  • ▸ Side-by-side cost, latency, and success-rate diff vs. the current config.
  • ▸ Promote the winner with a single click; promotion creates an audited new version.
• 2026-04-01 [budgets]

  Finance-grade budgets with auto-downgrade

  • ▸ Scoped budgets (org, project, tag, end-user) with soft-alert and hard-cap thresholds.
  • ▸ At-cap actions: alert, block with 402, or auto-downgrade to a cheaper routing config.
  • ▸ Budget-aware routing lets custom rules read budget.used_pct.
  • ▸ Email + Slack-compatible webhook alerts on threshold crossings.
• 2026-03-31 [webhooks]

  Webhook endpoints for events

  • ▸ Subscribe to budget alerts, config changes, provider health transitions, and request anomalies.
  • ▸ HMAC-SHA256 signatures, durable delivery queue with exponential backoff, replay from the dashboard.
  • ▸ Slack-format auto-detection for webhook URLs pointing at Slack.
• 2026-03-29 [sdks]

  Official Python + TypeScript SDKs

  • ▸ Released modelux on PyPI and npm.
  • ▸ Thin wrappers over the OpenAI SDK with extra helpers for tags, end-user IDs, routing slugs, and decision traces.
  • ▸ MIT licensed; source in the monorepo.
• 2026-03-27 [cache]

  Semantic caching

  • ▸ New semantic-match cache mode: request embeddings against a cache of recent responses, return on high similarity.
  • ▸ Per-routing-config mode (exact / semantic / off), tunable similarity threshold.
  • ▸ Cache-hit metrics broken out in analytics.
• 2026-03-26 [routing]

  Ensembles + cascades

  • ▸ New ensemble routing strategy: parallel fan-out to N models, aggregation via weighted vote, first-valid, or LLM judge.
  • ▸ New cascade strategy: sequential attempts with early stop on success — quality-tier fallback made easy.
  • ▸ Live cost estimator in the routing config builder for both strategies.
• 2026-03-24 [routing]

  Cost- and latency-optimized routing

  • ▸ cost_optimized strategy picks the cheapest allowed model meeting a quality tier.
  • ▸ latency_optimized strategy uses rolling p50 measurements to prefer the fastest healthy provider.
  • ▸ A/B testing strategy lands for controlled rollouts between configs.
• 2026-03-23 [providers]

  AWS Bedrock + Azure OpenAI adapters

  • ▸ Added Bedrock with IAM credential format (access key::secret::region[::session]).
  • ▸ Added Azure OpenAI with configurable base URLs per resource.
  • ▸ Both adapters normalize tool-calling and structured-output behavior to the OpenAI shape.
• 2026-03-21 [dashboard]

  Visual routing builder

  • ▸ Drag-and-drop builder for fallback chains and ensembles.
  • ▸ Live dry-run panel shows the decision trace for a sample prompt without calling the provider.
  • ▸ Version diff view for every change.
• 2026-03-20 [observability]

  Decision traces + full request logs

  • ▸ Every request now records the full routing decision: attempts tried, reasons, per-attempt timings and costs.
  • ▸ Log detail view in the dashboard with a routing trace card.
  • ▸ Structured tags on every log entry for filtering and analytics group-by.
• 2026-03-19 [core]

  Fallback routing, health tracking, retries

  • ▸ fallback routing strategy with per-attempt timeouts and retry-on conditions (429, 5xx, timeout).
  • ▸ Per-provider rolling health (success rate, p50 latency) powers health-based routing.
  • ▸ OpenAI SDK streaming (SSE) passes through unchanged.
• 2026-03-18 [core]

  Modelux 1.0 — public beta

  • ▸ OpenAI-compatible /v1/chat/completions and /v1/embeddings across OpenAI, Anthropic, and Google.
  • ▸ Projects, API keys, and BYO provider credentials.
  • ▸ Per-request cost computation with per-model pricing tables.
  • ▸ Free + Pro plans launched.