Which is cheaper, GPT-4o Mini or o4-mini?

GPT-4o Mini is cheaper for both input ($0.15/M tokens) and output ($0.60/M tokens), compared to o4-mini at $1.10/$4.40 per million tokens.

Which is faster, GPT-4o Mini or o4-mini?

GPT-4o Mini is faster at 120 tokens/sec with a TTFT of 180ms, compared to o4-mini at 60 tokens/sec and 1200ms TTFT.

Which has a bigger context window, GPT-4o Mini or o4-mini?

o4-mini has a 200K token context window, which is larger GPT-4o Mini's 128K context window.

Which is better for coding, GPT-4o Mini or o4-mini?

o4-mini has a higher coding ELO of 1380 compared to GPT-4o Mini's 1200, making it the stronger choice for code generation and programming tasks.

GPT-4o Mini vs o4-mini: Pricing, Benchmarks & Verdict (2026)

Name: GPT-4o Mini vs o4-mini — Pricing, Benchmarks & Speed Comparison 2026
Creator: LLMversus
License: https://creativecommons.org/licenses/by/4.0/

Pricing verified Apr 20, 2026By LLMversusUpdated June 14, 2026View methodology

⚡ Quick Answer

GPT-4o Mini is significantly cheaper at $0.15/$0.60 per million tokens vs $1.10/$4.40. o4-mini is stronger for coding with a coding ELO of 1380 vs 1200. GPT-4o Mini is faster at 120 tokens/sec vs 60 tokens/sec. o4-mini ranks higher overall with an Arena ELO of 1350 vs 1220. o4-mini offers a larger 200K context window vs 128K.

Updated: April 20, 2026 · ✓ Pricing verified

Side-by-Side Comparison

Feature	GPT-4o Mini	o4-mini
Provider	OpenAI	OpenAI
Input Price / 1M tokens	$0.150	$1.10
Output Price / 1M tokens	$0.600	$4.40
Context Window	128K	128K
Max Output Tokens	16,384	32,768
Arena ELO	1,220	1,260
Coding ELO	1,200	1,270
TTFT (ms)	180	180
Tokens/sec	120	105
Multimodal	Yes	No
JSON Mode	Yes	Yes
Function Calling	Yes	Yes
Vision	Yes	No

When to Use GPT-4o Mini

Choose GPT-4o Mini when you need: extremely affordable pricing, fast response times, strong for its price tier, good multimodal support. It excels at chatbots, lightweight-tasks, cost-sensitive tasks. It is also the more cost-effective option between the two.

Strengths:

Extremely affordable pricing
Fast response times
Strong for its price tier
Good multimodal support

Best for:

chatbotslightweight-taskscost-sensitive

When to Use o4-mini

Choose o4-mini when you need: excellent reasoning and math capabilities, strong coding performance, affordable for a reasoning model, large output window. It excels at reasoning, math, coding, science tasks. Its 200K context window is larger, making it better for long-document processing.

Strengths:

Affordable
Fast
Good reasoning

Best for:

general-purposereasoningcoding

GPT-4o Mini vs o4-mini: Pricing, Benchmarks & Verdict (2026)

Side-by-Side Comparison

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