GPT 5.4 vs o4-mini (2025-04-16)

GPT 5.4 vs o4-mini (2025-04-16): o4-mini (2025-04-16) is cheaper by 71% on average. GPT 5.4 from Azure OpenAI (1,050,000-token context, reasoning, tool calls) vs. o4-mini (2025-04-16) from Azure OpenAI (200,000-token context, reasoning, tool calls). Use Agent Command Center to A/B both in shadow mode and pick the winner per workload.

Side-by-side cost

Live workload comparison

Same workload run through both models. The cheaper one is highlighted.

3,000
01,050,000
400
0128,000
5,000
01,000,000
Azure OpenAI
$2,055/mo
Input $2.50/M · Output $15.00/M
Azure OpenAI
$770/mo
Input $1.10/M · Output $4.40/M
At this workload, o4-mini (2025-04-16) is 63% cheaper than GPT 5.4 — a savings of $1,284/month ($15,414/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
  model: o4-mini-2025-04-16
  provider: azure-openai
fallback:
  model: gpt-5-4
  provider: azure-openai
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live
GPT 5.4 o4-mini (2025-04-16)
Input price $2.50/M $1.10/M
Output price $15.00/M $4.40/M
Context window 1,050,000 200,000
Max output 128,000 100,000
Function calling
Vision
Audio input
Reasoning
Prompt caching
Structured output
Pricing verified May 12, 2026 May 12, 2026
Cheaper option
~71% cheaper than GPT 5.4
Larger context
1,050,000 tokens
More capabilities
5 of 6 capability flags advertised

Benchmark comparison

Side-by-side public benchmark scores. Greener bar = winner.

Chatbot Arena ELOgeneral
GPT 5.4
1,477
o4-mini (2025-04-16)
ARC-AGIreasoning
GPT 5.4
93.7%
o4-mini (2025-04-16)
GPQA Diamondreasoning
GPT 5.4
92.8%
o4-mini (2025-04-16)
MMMU-Promultimodal
GPT 5.4
81.2%
o4-mini (2025-04-16)
ARC-AGI-2reasoning
GPT 5.4
73.3%
o4-mini (2025-04-16)
SWE-benchagent
GPT 5.4
57.7%
o4-mini (2025-04-16)
FrontierMathmath
GPT 5.4
47.6%
o4-mini (2025-04-16)
Humanity's Last Examreasoning
GPT 5.4
39.8%
o4-mini (2025-04-16)