R.I.D.E.R.
An authentic metaheuristic algorithm: 8 generations, 9 operators, 9 protocols. 23 WIN / 0 LOSE / 0 TIE across 23 completed benchmark combinations. Published at FSE 2026 (CORE A*) and FRUCT 39.
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CORE CAPABILITIES
Metaheuristic prompt optimization with 9 exclusive protocols
9 PROTOCOLS
PRISM + Racing, NEXUS, PHASE REACTOR, OPERATOR FORGE, ECHO, CHIMERA, VORTEX, MARS CONFIG, GENESIS.
9 OPERATORS
EDA mutation, EDA rank-index, zero-order, DE, GA, reflection crossover, OPRO trajectory, contrastive error decomposition, semantic paraphrase.
ADAPTIVE SELECTION
Thompson Sampling with Extreme Value Credit, Bayesian elimination, Racing (F-Race) early kill, and epsilon-greedy overlay.
MULTI-REF BERTSCORE
DeBERTa-xlarge-mnli evaluation with multi-reference scoring for CommonGen.
ECHO PROTOCOL
Dual prompt repetition based on Google Research (+67% for non-reasoning models).
CHIMERA ENGINE
Co-evolves instruction text AND few-shot examples. Active for generative tasks.
PHASE REACTOR
3-phase evolution: IGNITION (explore), FUSION (error-fix), CRYSTALLIZATION (polish).
23 WIN / 0 LOSE / 0 TIE
Outperforms PromptBreeder, EvoPrompt-GA/DE, APE, ZeroShot across 23 completed dataset-model combinations.
FSE 2026 + FRUCT 39
Published at CORE A* ranked conference (FSE) and IEEE-indexed FRUCT 39.
RESULTS
RIDER vs best baseline per dataset (DeBERTa BERTScore)
RIDER vs Competitors (multi-axis)
Evolution: Fitness per Generation
Wins out of 23 experiments
API Calls (fewer = better)
OPTIMIZE YOUR PROMPT
No sign-up required. Paste your prompt and see the difference.
Pricing
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Every plan includes the full R.I.D.E.R. optimization engine
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Full optimization power
Unlimited for teams
Models: Sonnet 4.6+ | GPT-5.4/5.5 | Gemini 3/3.1 | Opus 4.7 Ultra
FREQUENTLY ASKED
Common questions about R.I.D.E.R. prompt optimization
OPTIMIZE YOUR PROMPTS
Paste your prompt, choose a mode, and let RIDER find the optimal version. 3 free optimizations per day.
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