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Run a reasoning agent: it samples, critiques or judges before it answers.
Reasoning agents need a Pro or Premium plan. Requests from a free-tier key return 403. See plans
Reasoning agent
Draft, score, reflect and refine until the answer is good. How it works
90
Ready: Reflexion Agent · gpt-5.5
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Pick a reasoning agent, write a task, then click Run agent.
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curl -X POST 'https://api.swarms.world/v1/reasoning-agent/completions' \ -H 'x-api-key: '"$SWARMS_API_KEY" \ -H 'Content-Type: application/json' \ -d '{ "agent_name": "reflexion-writer", "description": "Drafts, critiques and refines its own answer.", "swarm_type": "ReflexionAgent", "model_name": "gpt-5.5", "max_loops": 3, "task": "Explain how HTTPS protects data in transit to a non-technical audience in under 200 words.", "memory_capacity": 6}'