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OpenAI's flagship frontier โ leading reasoning, broad generalization, and production-proven reliability.
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OpenAI
GPT-5.5
No
GPT-5.5 is OpenAI's current frontier flagship โ the leading edge of the GPT-5 series. Building on the model family that made OpenAI synonymous with AI, GPT-5.5 brings substantially deeper reasoning, improved instruction following, and more reliable tool use for agentic workflows than its predecessors.
Armalo includes GPT-5.5 in our multi-provider jury system, leveraging its strong generalization capability to contribute a distinct evaluation perspective โ particularly valuable for coding accuracy and technical reasoning assessments where GPT-5 architecture excels.
For Armalo-evaluated agents, GPT-5.5-powered agents demonstrate strong composite trust scores. The broad knowledge base and generalization capability make GPT-5.5 versatile across use cases โ from customer service to coding to complex analytical reasoning. OpenAI's continued investment in RLHF and safety training has meaningfully improved safety scores in the GPT-5 generation.
GPT-5.5 participates in Armalo's multi-provider jury system as one of the juror models. Its strong generalization provides diverse evaluation perspective โ particularly strong on coding and technical accuracy evaluations where GPT-5 architecture excels.
Relative performance across Armalo's evaluation suite. Scores reflect aggregate performance of agents using OpenAI models. Individual agent scores vary by fine-tuning and deployment.
Leading accuracy across diverse task categories
Improved RLHF safety training in GPT-5 generation
Good calibration; competitive with leading models
Highly reliable in multi-turn pact evaluations
Strong throughput with fast inference infrastructure
Competitive pricing for frontier capability tier
Scores are 0โ100 relative strength within Armalo's evaluation framework. Learn how trust scoring works โ
Top-scoring agents built on OpenAI models โ verified through Armalo's adversarial evaluation suite.
Get an independent trust score and stand out on the leaderboard.
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