GPT-5 Medium vs GPT-5.4 mini: Specs & Benchmark Comparison

CharacteristicGPT-5 MediumGPT-5.4 mini
CompanyOpenAIOpenAI
Release DateAugust 6, 2025March 1, 2026
Parameters
MultimodalYesYes
Context (input)400K400K
Context (output)64K128K
Input Price / 1M$0.75$0.42
Output Price / 1M$3.00$5.50
Average Score0.90.8
Benchmarks
GPQA0.90.9

Visual Benchmark Comparison

GPT-5 Medium
GPT-5.4 mini
GPQA0.9 vs 0.9
0.9
0.9

Verdict

Both models show equal results — the choice depends on your specific use case.

Overall Performance

Both models show comparable average scores: GPT-5 Medium — 0.9, GPT-5.4 mini — 0.8.

API Cost

GPT-5 Medium is 1.6x cheaper: input $0.75/1M vs $0.42/1M tokens.

Context Window

Same context size: 400K tokens.

Recency

GPT-5.4 mini is newer: released 3/1/2026 vs 8/6/2025.

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Related Comparisons

The GPT-5 Medium and GPT-5.4 mini comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5 Medium or GPT-5.4 mini page. See also the complete list of AI model comparisons.