Ring 2.6 1T

SyncDev model directory · Profile updated Oct 8, 2026

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Ring 2.6 1T is inclusionAI’s large reasoning checkpoint for engineering, research and extended tool-assisted tasks.

Key specifications

Specification score
31.8
Context window
131.07K
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

ReasoningStreamingOpen weights

What is Ring 2.6 1T?

Ring 2.6 1T is inclusionAI’s large reasoning checkpoint for engineering, research and extended tool-assisted tasks.

Reasoning over an extended task

Ring 2.6 1T is a trillion-parameter sparse model whose training focuses on multi-step execution and tool collaboration. It is a candidate for an agent that must interpret evidence, plan work and revise the plan as tools return results.

Context and deployment

The model card distinguishes a 128K native context from a 256K YaRN extension. The released configuration sets 131,072 positions, which this profile records as the native limit. Enabling the longer recipe requires a compatible runtime and additional capacity for the chosen concurrency.

A realistic reasoning trial

Use an engineering task with a verifiable final result, such as diagnosing a failure and producing a tested patch. For research, give the model conflicting source passages and ask it to explain which evidence supports its conclusion. Evaluate the completed result and the trace of tool calls, including corrections and failed attempts.

Operating the checkpoint

The weights are MIT-licensed. Storage and memory requirements follow the complete trillion-parameter checkpoint, not only the experts active during a token. Keep thinking and tool-parser settings consistent between runs. A hosted route may introduce its own output allowance or request format, so a result from one service should be labeled with that route rather than presented as universal behaviour of every Ring deployment.

Sources

Model documentation

How to evaluate Ring 2.6 1T

Compare the model on the work you need to complete.

Tasks and inputs

Ring 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: 131.07K 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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