✦ Open source · Claude-powered

Your AI agent,
80% cheaper.

Standard AI agents re-read their full conversation history every step — cost grows forever. fieldstate replaces history with a smart field state. Same quality. Fraction of the cost.

View on GitHub

No account needed · Bring your own API key

84%
fewer input tokens
at 12 steps
5/5
quality score
both agents
96%
projected saving
at 50 steps

Simple idea. Real results.

💬

Type anything

Pick a task, set your objectives, and start chatting. Both agents respond to every message you send.

📊

Watch the gap grow

Standard agent cost grows with every message. fieldstate stays flat. The token savings compound as you go.

🔍

See what others miss

When the field detects drift, suppression, or conflict between objectives — you see it. Standard agents never do.

Real numbers from real runs

Token reduction · 12 steps

42k → 7k

From 42,487 input tokens down to 6,821. Measured from response.usage. Two independent runs confirmed.

Quality · LLM-as-judge

5 / 5

Both agents scored 5/5 on thoroughness and clarity. The same quality at a fraction of the cost.

At scale · 50 steps

96% saved

The more steps, the bigger the gap. Standard agent grows ~530 tokens per step. fieldstate stays flat.

Unique capability

Drift detection

See when an objective is being suppressed. Know when objectives conflict. Know when your agent has lost its balance.

Try it in 30 seconds

No sign-up. Bring your Anthropic API key and start chatting.

Pick a task preset or describe your own.
Both agents will respond to every message you send.
Your key is sent only to your local server. Never stored.
Type freely — keep going as long as you want. The savings compound.
Free demo — 6 of 6 steps remaining
Standard
tokens saved
Field V3
Standard Agent
growing cost
Field Agent
flat cost
At scale →