Enterprise-Grade AI
for free.
No catch.

Spark is a frontier model. Same class of capability as the biggest names. Zero subscription.

No credit card
No metering for individuals
Nothing to cancel
A different approach

Built to be used, not metered.

Spark is a large language model trained from scratch on curated public and licensed data. It runs on independent hardware. We don’t sell your prompts or train on them.

Same lineage behind many strong coding/agent results. We just run it differently.
Evals that actually matter

How Spark stacks up

Full logs →

Spark 1.4 is not listed on any public leaderboards yet. On our internal data it scores similar to Kimi K3.

Public results — current frontier models
Model GPQA Diamond GDPval-AA v2 (Elo) OSWorld-Verified BrowseComp JobBench
Kimi K3 93.5 1668 — 91.2 52.9
Qwen3.8-Max 92.6 — 86.1 — —
Claude Fable 5 92.6 1760 ~85.0 88.0 57.4
GPT-5.6 Sol 92.8* 1748 83.2 90.4 46.5
* GPT-5.6 Sol GPQA Diamond is contested across sources (91.4–94.1). These models do not appear on older saturated benchmarks (MMLU-Pro, LiveCodeBench, MATH-500). Columns reflect currently published agentic and tool-use measures. Sources: Artificial Analysis, Labellerr, OpenRouter, BenchLM, Valletta.
INFRASTRUCTURE
Spark runs on independent hardware. We avoid single-provider lock-in.
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Spark 1.4 online
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