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GPT Audio Mini vs GPT-5.2-Codex

Detailed technical comparison between GPT Audio Mini (OpenAI) and GPT-5.2-Codex (OpenAI). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

GPT Audio Mini: 0 WinsvsGPT-5.2-Codex: 6 Wins
Context Leader

GPT-5.2-Codex

400,000 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

GPT Audio Mini

$0.60 / MTok
OpenAIactive

GPT Audio Mini

A cost-efficient version of GPT Audio. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Input is priced at $0.60 per million...

View GPT Audio Mini Full Specs →
OpenAIactive

GPT-5.2-Codex

GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

View GPT-5.2-Codex Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationGPT Audio MiniGPT-5.2-Codex
ProviderOpenAIOpenAI
Context Window128,000 tokens400,000 tokens🏆
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2026-01-192026-01-14

API Pricing Comparison

Input Price per Million Tokens

GPT Audio Mini

$0.60

GPT-5.2-Codex

$1.75

Output Price per Million Tokens

GPT Audio Mini

$2.40

GPT-5.2-Codex

$14.00

💡 Cost Ratio: GPT Audio Mini is 2.9x cheaper per input token than GPT-5.2-Codex.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

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Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
73.2%vs93.0%+19.8% GPT-5.2-Codex
GPT Audio Mini
GPT-5.2-Codex 🏆
HumanEvalPython coding & logic synthesis
69.4%vs99.0%+29.6% GPT-5.2-Codex
GPT Audio Mini
GPT-5.2-Codex 🏆
MATHComplex mathematical problem solving
42.6%vs81.4%+38.8% GPT-5.2-Codex
GPT Audio Mini
GPT-5.2-Codex 🏆
GPQAGraduate-level expert reasoning
30.0%vs56.4%+26.4% GPT-5.2-Codex
GPT Audio Mini
GPT-5.2-Codex 🏆
HellaSwagCommonsense reasoning and inference
77.2%vs88.6%+11.4% GPT-5.2-Codex
GPT Audio Mini
GPT-5.2-Codex 🏆
MT-BenchMulti-turn conversation flow quality
8.0%vs9.5%+1.5% GPT-5.2-Codex
GPT Audio Mini
GPT-5.2-Codex 🏆

GPT Audio Mini Quirks & Gotchas

No developer gotchas reported.

GPT-5.2-Codex Quirks & Gotchas

No developer gotchas reported.

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