ModelBench
Model catalog

Models

Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.

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2 models
llmgateway 32K+
Ranked by GeneBench
OpenAI: GPT-5.5 Pro T
Reasoning Tools JSON 33.2

Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding

openai/gpt-5.5-pro 2026-04-23 1.05M context $30/M input $180/M output
18 providers
OpenAI: GPT-5.4 Pro T
Reasoning Tools 25.6

More exact GPT-5.4 tier for demanding professional reasoning and agent tasks

openai/gpt-5.4-pro 2026-03-05 1.05M context $30/M input $180/M output
19 providers