OPENWEIGHTENTER 

OpenweightSuperintelligenceUnlocked.

The gap between open and closed models is disappearing.

Get Compute 
// BENCHMARKS / THE SHIFT

The Numbers Don't Lie

Open-weight models now match and outperform proprietary models across intelligence, coding, and agentic benchmarks.

Select a comparison with Enter or Space to highlight it. All benchmark values remain visible without interaction.
PROPRIETARY

Claude Opus 4.8

Intelligence
42.0
Coding
74.3
Agentic
42.6
OPEN-WEIGHT

GLM 5.3 Flash

Intelligence
41.9
Coding
71.5
Agentic
51.2
PROPRIETARY

GPT-5.6 Sol

Intelligence
47.1
Coding
77.4
Agentic
50.5
OPEN-WEIGHT

DeepSeek V4.1 Flash

Intelligence
39.5
Coding
74.2*
Agentic
54.8*
PROPRIETARY

Grok 4.6

Intelligence
44.4
Coding
76.8
Agentic
53.4
OPEN-WEIGHT

Qwen 3.8 2.4T

Intelligence
40.0
Coding
71.9
Agentic
50.4

Same frontier. Different ownership. Results are shown as a directional comparison across representative dimensions; performance varies by evaluation, release, and configuration.

OPEN-SOURCE COMPUTE AT UNPRECEDENTED SCALE.

One API for curated open-weight modelswith providers, keys, and compute handled behind the scenes.

OPENWEIGHT
COMPUTE ACCESS
INFERENCE
PLATFORM FEES
ECOSYSTEM
// DEVELOPER ACCESS / CHAT API

INFERENCE INFRASTRUCTURE.
BUILT FOR THE NEW ERA

Use a first-party Openweight API key to send text conversations to the open model gateway. Provider credentials stay behind the service.

https://openweight.systems
POST/api/v1/chat/completionsBearer API key

Authenticate with Authorization: Bearer <your key>.

model accepts auto or an active open model ID.

stream may be set to true for server-sent event responses.

{
  "model": "auto",
  "messages": [
    { "role": "user", "content": "Hello" }
  ]
}

Messages support system, user, and assistant roles with text content.

Inference requires verified holder eligibility and available compute. Usage is settled from provider-reported usage.