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feat: add T-Systems LLMHub as a provider#1383

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ashwinnair14 wants to merge 6 commits into
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ashwinnair14:feat/add-t-systems-provider
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feat: add T-Systems LLMHub as a provider#1383
ashwinnair14 wants to merge 6 commits into
anomalyco:devfrom
ashwinnair14:feat/add-t-systems-provider

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@ashwinnair14 ashwinnair14 commented Apr 8, 2026

Closes #1626

Summary

Adds T-Systems LLMHub (AI Foundation Services) as a new provider with 38 models, served via @ai-sdk/openai-compatible against https://llm-server.llmhub.t-systems.net/v2. T-Systems offers GDPR-compliant, EU-hosted access to both open-source and proprietary models.

Models included

Category Count Examples
LLMs 30 GPT-4.1, GPT-5, Claude Sonnet 4/4.5, Gemini 2.5/3 Pro, o3/o4-mini, Llama 3.3, Mistral, Qwen3, Teuken 7B, GPT-OSS 120B
Embeddings 5 Jina v2 (code/de), BGE M3, Ada 002, TSI ColQwen2
Audio 2 Whisper Large V3, Whisper Large V3 Turbo
Image 1 GPT Image 1

Implementation notes

  • Wrapper models use extends (README rule 3a): 26 of 38 models inherit from canonical definitions in providers/{anthropic,openai,google,mistral,llama,alibaba}/. Local overrides preserve T-Systems pricing markup (Standard1000 plan tier) and any provider-specific spec differences (e.g., GPT-5 accepting temperature); omit removes fields not applicable to the wrapper such as cache-read pricing and gemini context-tier pricing.
  • 12 models stay as full definitions — either no canonical exists in the repo (Jina embeddings, Teuken, TSI ColQwen2, BGE M3, Whisper, Mistral Small 24B, Qwen FP8 quants, GPT-OSS 120B) or the T-Systems variant is materially distinct (GPT Image 1).

Pricing

Pricing sourced from T-Systems documentation (Standard1000 plan tier). Open-source models on T-Cloud Germany use flat-rate pricing; proprietary models have per-token input/output rates.

Data sources

Test plan

  • bun install succeeds
  • bun run validate exits 0 — all 38 models pass Zod schema
  • bun run compare:migrations shows zero diff — extends conversions produce byte-identical generated JSON
  • Provider TOML includes required api field for @ai-sdk/openai-compatible
  • Logo SVG uses currentColor with no fixed sizes
  • Rebased onto latest dev

@ashwinnair14 ashwinnair14 marked this pull request as draft April 8, 2026 11:41
@ashwinnair14 ashwinnair14 force-pushed the feat/add-t-systems-provider branch from 3d268bc to a1a4c8a Compare April 20, 2026 10:34
@ashwinnair14 ashwinnair14 marked this pull request as ready for review April 20, 2026 10:41
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Could I request a review @rekram1-node ?

Anilil and others added 6 commits April 28, 2026 08:40
Add T-Systems (AI Foundation Services) with 38 models including
LLMs, embeddings, audio, and image generation models accessible
through their GDPR-compliant, EU-hosted OpenAI-compatible API.
Convert 26 of 38 T-Systems models to inherit from canonical definitions
in providers/{anthropic,openai,google,mistral,llama,alibaba}/ per
README rule 3a. Local overrides preserve T-Systems pricing markup and
any spec differences; omit removes fields not applicable to the wrapper
(cache pricing, context-tier pricing, etc.).

Verified via bun run compare:migrations: generated JSON is
byte-identical before and after for every changed model.

Net: -446/+91 lines across 26 files.
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Add T-Systems LLMHub as a provider

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