Model Selection Guide

Brivionix currently offers 5 OpenAI models, all supporting Reasoning, Tools, and Vision.

Quick Recommendation

Daily chat, quick Q&A       → gpt-5.4-mini (best value)
Coding, code review         → gpt-5.3-codex (code-optimized)
Complex analysis, writing   → gpt-5.4 (balanced)
Top-tier tasks, long docs   → gpt-5.5 (flagship)
Batch processing, general   → gpt-5.2 (economical)

Model Comparison

Model	Context	Input Ratio	Output Ratio	Best For
gpt-5.5	1.1M	2.94x	8x	Complex reasoning, long documents
gpt-5.4	400K	1.47x	6x	High-quality output, balanced cost
gpt-5.4-mini	400K	1.17x	6x	Daily use, high-frequency calls
gpt-5.3-codex	400K	1.03x	8x	Code generation, code review
gpt-5.2	400K	1.03x	8x	General tasks, batch processing

Detailed Profiles

gpt-5.5 — Flagship

• 1.1M token context window (largest available)
• Best for complex multi-step reasoning and long document analysis
• Highest cost — use for tasks that demand maximum quality

gpt-5.4 — High-End Balanced

• Great balance between performance and cost
• Recommended for production workloads needing reliable quality

gpt-5.4-mini — Best Value

• Lowest cost with excellent capability
• Recommended for most use cases — daily chat, quick tasks, prototyping
• Only available in the default group

gpt-5.3-codex — Code Expert

• Optimized for code generation, review, and programming assistance
• Best choice for Cursor, Continue, and coding workflows

gpt-5.2 — Economical

• Same low input ratio as gpt-5.3-codex
• Good for general-purpose tasks and batch processing

Common Capabilities

All models support:

• ✅ Reasoning — step-by-step logical thinking
• ✅ Tool Calling — function/API integration
• ✅ Vision — image understanding
• ✅ Streaming — real-time token output
• ✅ Cache Billing — ~90% off for cached tokens

INFO

All models except gpt-5.3-codex also support file processing.