Ling 2.6 1T

SyncDev model directory · Profile updated Oct 8, 2026

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Ling 2.6 1T is a trillion-parameter MIT-licensed checkpoint for complex instruction following, coding and long-document workflows.

Key specifications

Specification score
20.2
Context window
262.14K
License
MIT
Parameters
1,000B

The specification score summarizes recorded features and limits. It is not a benchmark result.

Inputs and outputs

Recorded modality support shows what this model can accept and produce. An undocumented modality is shown as unknown rather than assumed to be unsupported.

Accepts

  • Text input

Produces

  • Text output

Capabilities

StreamingOpen weights

What is Ling 2.6 1T?

Ling 2.6 1T is a trillion-parameter MIT-licensed checkpoint for complex instruction following, coding and long-document workflows.

A large checkpoint for complex work

Ling 2.6 1T combines MLA and linear attention in a sparse expert architecture. The publisher positions it for coding and everyday agent workflows, with training intended to reduce redundant reasoning output. Its released configuration supports 262,144 positions.

Infrastructure first

A trillion-parameter checkpoint is a cluster deployment project even when only selected experts activate for a token. Plan weight storage, accelerator memory, networking, runtime support and the cache needed for concurrent long conversations. Use the publisher’s distributed serving recipe as the starting point for a capacity test.

Evaluate instruction stability

Give the assistant several related documents or source files and a precise completion criterion. Include a later tool result that changes an earlier assumption. Review whether the final answer reflects the updated evidence and retains constraints from the beginning of the conversation. Track output overhead and rejected attempts, not only tokens per second.

Licence and access routes

The model card identifies the MIT licence. This profile covers the downloadable checkpoint and keeps hosted token prices unset. A routed API entry for the same family may use a different identifier, context limit or price. Record the exact route or revision used in an evaluation so checkpoint performance and service behaviour are not mixed together.

Sources

Model documentation

How to evaluate Ling 2.6 1T

Compare the model on the work you need to complete.

Tasks and inputs

Ling 2.6 1T is listed for Text generation, Coding & Code Generation. It accepts text and produces text. Use the publisher’s input format and preprocessing for your chosen deployment.

Capacity and cost

Documented limits: 262.14K context. Measure a completed task using the prompts, documents and tools your application will use. Include reasoning and retries in the result.

Choosing a deployment

The weights are downloadable under MIT. Check runtime support and size the complete model and working context for your expected concurrency.

Frequently asked questions

Yes. The linked publisher repository supplies the weights or reference inference files and explains the supported runtime.

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