Introducing Together Link: Run open models inside the harness you already use →

The Open Source AI Stack: models, inference, routers, harnesses & tools →

📈 GLM-5.3 vs. GLM 5.3 Flash on DeepSWE →

⚡ On-demand B200s now available on Together GPU Clusters →

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    • Serverless Inference

      High-performance inference as APIs

    • Batch Inference

      Inference for batch workloads

    • Provisioned Throughput

      Token-based capacity with SLAs

    • Dedicated Model Inference

      Inference on custom hardware

    • Dedicated Container Inference

      Inference for custom models

    • Together Link

      Run open models in your harness

    MiniMax M3
    Gemma 4 31B
    DeepSeek V4 Pro
    GLM-5.2
    White circular shape with uneven edges and three extended finger-like projections on a black background.
    kimi K2.7 Code
    OpenAI logo with a symmetrical abstract geometric knot design.
    gpt-oss-120B

    Model library

    Explore the top open-source models

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    • Chat

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  • Accelerated Compute

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      Reliable GPU clusters at scale

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    Developer Environments

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      Build development environments for AI

    Storage

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      Store model weights & data securely

    • GB300

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    • Custom Training

      Post-training for frontier quality at scale

    • Fine-Tuning

      Shape models with your data

    • Evaluations

      Measure model quality

    kimi K2.7 Code
    Gemma 4 31B-it FP8
    GLM 5.1 FP4
    OpenAI logo with a symmetrical abstract geometric knot design.
    gpt-oss-120b
    Qwen3.5 397B A17b
    Llama 4 Maverick

    Model library

    Fine-tune top open-source models

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Inference
DeepSWE: Training a Fully Open-sourced, State-of-the-Art Coding Agent by Scaling RL

Michael Luo*, Naman Jain*, Jaskirat Singh*, Sijun Tan*, Ameen Patel*, Qingyang Wu*, Alpay Ariyak*, Colin Cai*, Tarun Venkat, Shang Zhu, Ben Athiwaratkun, Manan Roongta, Ce Zhang, Li Erran Li, Raluca Ada Popa, Koushik Sen, Ion Stoica

Chart showing SWE-Bench performance vs model size for various models with DeepSWE-Preview + TTS leading at 59%.
Agents
From Zero to One: Building An Autonomous and Open Data Scientist Agent from Scratch

Federico Bianchi, Shang Zhu, Zain Hasan, Ben Athiwaratkun and James Zou

Inference
Model-Preserving Adaptive Rounding with YAQA

Albert Tseng, Zhaofeng Sun, and Chris De Sa

Bar chart showing KL divergence for quantized models Llama 3.1 and Gemma 3, highlighting YAQA's lower values.
Agents
Mixture-of-Agents Alignment: Harnessing the Collective Intelligence of Open-Source LLMs to Improve Post-Training

Junlin Wang, Roy Xie, Shang Zhu, Jue Wang, Ben Athiwaratkun, Bhuwan Dhingra, Shuaiwen Leon Song, Ce Zhang, James Zou

Bar chart comparing baseline, teachers, GPT-4o, and MoAA on AlpacaEval 2 and Arena-Hard scores in percentages.
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