LLM Reference

Qwen3.5-27B vs Teuken 7B Instruct

Qwen3.5-27B (2026) and Teuken 7B Instruct (2024) are frontier reasoning models from Alibaba and OpenGPT-X. Qwen3.5-27B ships a 262k-token context window, while Teuken 7B Instruct ships a 4k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.

Qwen3.5-27B fits 66x more tokens; pick it for long-context work and Teuken 7B Instruct for tighter calls.

Decision scorecard

Local evidence first
SignalQwen3.5-27BTeuken 7B Instruct
Best forreasoning-heavy apps, multimodal apps, and tool-calling agentsgeneral production evaluation
Decision fitCoding, RAG, and AgentsGeneral
Context window262k4k
Cheapest output$1.56/1M tokens-
Provider routes4 tracked1 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Qwen3.5-27B when...
  • Qwen3.5-27B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Qwen3.5-27B has broader tracked provider coverage for fallback and procurement flexibility.
  • Qwen3.5-27B uniquely exposes Vision, Multimodal, and Reasoning in local model data.
  • Local decision data tags Qwen3.5-27B for Coding, RAG, and Agents.
Choose Teuken 7B Instruct when...
  • Use Teuken 7B Instruct when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Qwen3.5-27B

$546

Cheapest tracked route/tier: OpenRouter

Teuken 7B Instruct

Unavailable

No complete token price in local provider data

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

Qwen3.5-27B -> Teuken 7B Instruct
  • No overlapping tracked provider route is sourced for Qwen3.5-27B and Teuken 7B Instruct; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.
Teuken 7B Instruct -> Qwen3.5-27B
  • No overlapping tracked provider route is sourced for Teuken 7B Instruct and Qwen3.5-27B; plan for SDK, billing, or endpoint changes.
  • Qwen3.5-27B adds Vision, Multimodal, and Reasoning in local capability data.

Specs

Specification
Released2026-02-242024-10-01
Context window262k4k
Parameters27B7B
Architecturedecoder onlydecoder only
LicenseApache 2.0(OSI)Open Weights
OpennessOpen sourceOpen weights
Commercial useCommercial use allowed-
Knowledge cutoff-2023-09

Pricing and availability

Pricing attributeQwen3.5-27BTeuken 7B Instruct
Input price$0.20/1M tokens-
Output price$1.56/1M tokens-
Providers

Capabilities

CapabilityQwen3.5-27BTeuken 7B Instruct
VisionYesNo
MultimodalYesNo
ReasoningYesNo
Function callingYesNo
Tool useYesNo
Structured outputsYesNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on vision: Qwen3.5-27B, multimodal input: Qwen3.5-27B, reasoning mode: Qwen3.5-27B, function calling: Qwen3.5-27B, tool use: Qwen3.5-27B, and structured outputs: Qwen3.5-27B. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.

Pricing coverage is uneven: Qwen3.5-27B has $0.20/1M input tokens and Teuken 7B Instruct has no token price sourced yet. Provider availability is 4 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose Qwen3.5-27B when reasoning depth, larger context windows, and broader provider choice are central to the workload. Choose Teuken 7B Instruct when provider fit are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.

FAQ

Which has a larger context window, Qwen3.5-27B or Teuken 7B Instruct?

Qwen3.5-27B supports 262k tokens, while Teuken 7B Instruct supports 4k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Is Qwen3.5-27B or Teuken 7B Instruct open source?

Qwen3.5-27B is listed under Apache 2.0. Teuken 7B Instruct is listed under Open Weights. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.

Which is better for vision, Qwen3.5-27B or Teuken 7B Instruct?

Qwen3.5-27B has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Which is better for multimodal input, Qwen3.5-27B or Teuken 7B Instruct?

Qwen3.5-27B has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Which is better for reasoning mode, Qwen3.5-27B or Teuken 7B Instruct?

Qwen3.5-27B has the clearer documented reasoning mode signal in this comparison. If reasoning mode is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Where can I run Qwen3.5-27B and Teuken 7B Instruct?

Qwen3.5-27B is available on DeepInfra, OpenRouter, Alibaba Cloud PAI-EAS, and Novita AI. Teuken 7B Instruct is available on NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.