GPT 5.2 Chat latest vs GPT 5.4 (2026-03-05)

Name: GPT 5.4 (2026-03-05)
Brand: OpenAI
Price: 2.500000 USD

GPT 5.2 Chat latest vs GPT 5.4 (2026-03-05): GPT 5.2 Chat latest is cheaper by 30% on average. GPT 5.2 Chat latest from OpenAI (128,000-token context, reasoning, tool calls) vs. GPT 5.4 (2026-03-05) from OpenAI (1,050,000-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.

Input tokens / request3,000

01,050,000

Output tokens / request400

0128,000

Requests / day5,000

01,000,000

GPT 5.2 Chat latestCheaper

OpenAI

$1,651/mo

Input $1.75/M · Output $14.00/M

GPT 5.4 (2026-03-05)

OpenAI

$2,055/mo

Input $2.50/M · Output $15.00/M

At this workload, GPT 5.2 Chat latest is 20% cheaper than GPT 5.4 (2026-03-05) — a savings of $403/month ($4,840/year).

Production recipe — Agent Command Center

strategy: cost-optimized
primary:
  model: gpt-5-2-chat-latest
  provider: openai
fallback:
  model: gpt-5-4-2026-03-05
  provider: openai
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live

Get started free →Routing docs ↗

	GPT 5.2 Chat latest OpenAI	GPT 5.4 (2026-03-05) OpenAI
Input price	$1.75/M	$2.50/M
Output price	$14.00/M	$15.00/M
Context window	128,000	1,050,000
Max output	16,384	128,000
Function calling	✓	✓
Vision	✓	✓
Audio input	—	—
Reasoning	✓	✓
Prompt caching	✓	✓
Structured output	✓	✓
Pricing verified	May 12, 2026	May 12, 2026