Which is cheaper, GPT-4.1 or GPT-4.1 Mini?

GPT-4.1 Mini is cheaper for both input ($0.40/M tokens) and output ($1.60/M tokens), compared to GPT-4.1 at $2.00/$8.00 per million tokens.

Which is faster, GPT-4.1 or GPT-4.1 Mini?

GPT-4.1 Mini is faster at 115 tokens/sec with a TTFT of 190ms, compared to GPT-4.1 at 88 tokens/sec and 260ms TTFT.

Which has a bigger context window, GPT-4.1 or GPT-4.1 Mini?

GPT-4.1 has a 1048K token context window, which is equal to GPT-4.1 Mini's 1048K context window.

Which is better for coding, GPT-4.1 or GPT-4.1 Mini?

GPT-4.1 has a higher coding ELO of 1320 compared to GPT-4.1 Mini's 1230, making it the stronger choice for code generation and programming tasks.

GPT-4 1 vs GPT-4 1.5-mini: Pricing, Benchmarks & Verdict (2026)

Name: GPT-4 1 vs GPT-4 1.5-mini — Pricing, Benchmarks & Speed Comparison 2026
Creator: LLMversus
License: https://creativecommons.org/licenses/by/4.0/

Pricing verified Sep 14, 2026By LLMversusUpdated September 17, 2026View methodology

⚡ Quick Answer

GPT-4.1 Mini is significantly cheaper at $0.40/$1.60 per million tokens vs $2.00/$8.00. GPT-4.1 is stronger for coding with a coding ELO of 1320 vs 1230. GPT-4.1 Mini is faster at 115 tokens/sec vs 88 tokens/sec. GPT-4.1 ranks higher overall with an Arena ELO of 1290 vs 1240.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

Feature	GPT-4 1	GPT-4 1.5-mini
Provider	OpenAI	OpenAI
Input Price / 1M tokens	$2.00	$0.400
Output Price / 1M tokens	$8.00	$1.60
Context Window	8.192K	128K
Max Output Tokens	2,048	4,096
Arena ELO	1,200	1,180
Coding ELO	1,210	1,200
TTFT (ms)	160	140
Tokens/sec	85	120
Multimodal	No	No
JSON Mode	Yes	Yes
Function Calling	Yes	Yes
Vision	No	No

When to Use GPT-4 1

Choose GPT-4.1 when you need: 1m token context window, excellent coding performance, strong instruction following, competitive pricing for its capability. It excels at coding, long-context, agents, general-purpose tasks.

Strengths:

Good quality
Affordable
Reliable

Best for:

general-purposecoding

When to Use GPT-4 1.5-mini

Choose GPT-4.1 Mini when you need: 1m token context window at low cost, great balance of speed and quality, strong coding for a mini model, affordable for high-volume use. It excels at chatbots, long-context, cost-sensitive tasks. It is also the more cost-effective option between the two.

Strengths:

Affordable
Fast
Large context

Best for:

cost-effectivegeneral-purpose

GPT-4 1 vs GPT-4 1.5-mini: Pricing, Benchmarks & Verdict (2026)

Side-by-Side Comparison

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