Doubleword
    High Throughput Inference

    Making tokens too cheap to meter

    Doubleword is the inference provider for long running agents, evals, and batched jobs. Up to 80% cheaper for the same models, for the workloads where no one is waiting.

    Get started for free.

    Same intelligence, a fraction of the cost

    Cost per 1B in + 1B out.
    Comparable model intelligence.
    DoublewordDeepSeek-V4-Pro
    $3,250
    OpenAIGPT-5.2
    $15,750
    4.8x
    AnthropicClaude Opus 4.6
    $30,000
    9.2x
    Our Bet

    The largest volume of tokens comes from asynchronous AI workloads.

    Interactive chat is only a small fraction of AI inference. Inference built for this workload comes with high inference bills and endless rate limits.

    The highest-volume AI systems run in the background: agents executing tasks, pipelines processing documents, evaluations running continuously, and models enriching massive datasets.

    These workloads are throughput-constrained, not latency-constrained.

    Doubleword is built for this future, we've built an inference stack that maximises GPU utilization, throughput, and cost-efficiency for large-scale asynchronous inference.

    High throughput inference APIs

    Doubleword's APIs are the most efficient for every SLA

    OpenAI compatible for easy migration. Full tool calling and structured generation support. Trade latency for cost. Pick the window that fits your workflow.

    async_request.py
    from openai import OpenAI
    
    client = OpenAI(
        base_url="https://api.doubleword.ai/v1",
        api_key="{{apiKey}}"
    )
    
    resp = client.responses.create(
        model="Qwen/Qwen3-VL-235B-A22B-Instruct-FP8",
        input="Summarize the history of artificial intelligence.",
        service_tier="flex",
    )
    
    print(resp.output_text)
    Per-token pricing

    Same Intelligence. Fraction of the price.

    Cost to process 1 billion tokens in + 1 billion tokens out at comparable intelligence.

    Model
    Anthropic
    $30K
    OpenAI
    $15.8K
    Industry Average
    $5.2K
    Doubleword
    $4.1K
    $0$7.5K$15K$22.5K$30K

    Intelligence via Artificial Analysis Index v4.0 · Hover any bar for full pricing details · Want access to a model you don't see here — just ask us!

    No credit card required · No minimum spend · Pay only for tokens used

    Start building
    Workbooks

    Built for your highest volume use cases

    Production-ready templates you can fork and run today.

    Async Agents

    Autonomous AI workflows that run without human intervention.

    Classification

    Categorize, label, and detect patterns in your data.

    Data Processing

    Clean, transform, and prepare data at scale.

    Data Enrichment

    Augment datasets with additional context and metadata.

    Embeddings

    Convert text and data into vector representations.

    Image Processing

    Analyze, summarize, and extract insights from images.

    Model Evals

    Benchmark and compare model performance systematically.

    Structured Generation

    Extract and format data into consistent schemas.

    Synthetic Data

    Generate realistic training and test datasets.

    Seen in the wild

    Community Love — From the smallest side projects to the biggest workloads.

    View all

    Used by:

    Applied ML • Data Platform • LLM Infrastructure • Research Engineering

    Got questions?

    Questions, answered honestly

    No marketing speak. Just straight answers.

    Stop overpaying for inference.

    Run your background agents and workloads at a fraction of the price and double the scale.