What is the difference between Claude Opus 4.6 and GPT-5 Mini?

Claude Opus 4.6 is developed by Anthropic while GPT-5 Mini is developed by OpenAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4.6 or GPT-5 Mini?

It depends on your use case. Claude Opus 4.6 and GPT-5 Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Claude Opus 4.6 cost compared to GPT-5 Mini?

Claude Opus 4.6 costs $5/M input tokens and GPT-5 Mini costs $0.25/M input tokens. GPT-5 Mini is $4.75/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude Opus 4.6 and GPT-5 Mini on Rival?

This page shows a side-by-side comparison of Claude Opus 4.6 and GPT-5 Mini across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

What is the difference between Claude Opus 4.6 and GPT-5 Mini?

Claude Opus 4.6 is developed by Anthropic while GPT-5 Mini is developed by OpenAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4.6 or GPT-5 Mini?

It depends on your use case. Claude Opus 4.6 and GPT-5 Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Claude Opus 4.6 cost compared to GPT-5 Mini?

Claude Opus 4.6 costs $5/M input tokens and GPT-5 Mini costs $0.25/M input tokens. GPT-5 Mini is $4.75/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude Opus 4.6 and GPT-5 Mini on Rival?

This page shows a side-by-side comparison of Claude Opus 4.6 and GPT-5 Mini across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Feb 2026

Claude Opus 4.6vsGPT-5 Mini

GPT-5 Mini is cheaper than Claude Opus 4.6 at $0.25/M vs $5/M input tokens.

Claude Opus 4.6 and GPT-5 Mini compared across 53 shared prompts
Spec	Claude Opus 4.6	GPT-5 Mini
Input price	$5/M tokens	$0.25/M tokens
Output price	$25/M tokens	$2/M tokens
Context window	1.0M tokens	—
Released	Feb 2026	Aug 2025
SWE-bench Verified	80.8%	~70%

Our Verdict

Claude Opus 4.6

GPT-5 MiniRunner-up

Not enough votes to call it. On the specs, Claude Opus 4.6 has the edge: bigger model tier, newer, bigger context window.

GPT-5 Mini costs 13x less per token.

Too close to call

What do Claude Opus 4.6 and GPT-5 Mini say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Opus 4.6

Input

$5.00

Output

$25.00

GPT-5 Mini

Input

$0.25

20× cheaper

Output

$2.00

13× cheaper

GPT-5 Mini is cheaper on both — 20× input, 13× output

Writing DNA

Style Comparison

Similarity

26%

Claude Opus 4.6 uses 519.3x more bold

Claude Opus 4.6

GPT-5 Mini

53%Vocabulary62%

35wSentence Length21w

0.68Hedging0.16

5.2Bold0.0

2.9Lists3.4

0.21Emoji0.00

1.34Headings0.00

0.03Transitions0.05

Based on 23 + 15 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5 Mini vs MiniMax M3New provider

GPT-5 Mini vs Ox AlphaNew provider

GPT-5 Mini vs Gemini 2.5 Pro (I/O Edition)New provider

GPT-5 Mini vs Gemini 2.5 Pro Preview 06-05New provider

Claude Opus 4.6 vs North Mini CodeNew provider

GPT-5 Mini vs Amazon Nova 2 LiteNew provider

GPT-5 Mini vs Nova Premier 1.0New provider

Claude Opus 4.6 vs o1Cross-provider

Updated Feb 2026

Claude Opus 4.6vsGPT-5 Mini

GPT-5 Mini is cheaper than Claude Opus 4.6 at $0.25/M vs $5/M input tokens.

Claude Opus 4.6 and GPT-5 Mini compared across 53 shared prompts
Spec	Claude Opus 4.6	GPT-5 Mini
Input price	$5/M tokens	$0.25/M tokens
Output price	$25/M tokens	$2/M tokens
Context window	1.0M tokens	—
Released	Feb 2026	Aug 2025
SWE-bench Verified	80.8%	~70%

Our Verdict

Claude Opus 4.6

GPT-5 MiniRunner-up

Not enough votes to call it. On the specs, Claude Opus 4.6 has the edge: bigger model tier, newer, bigger context window.

GPT-5 Mini costs 13x less per token.

Too close to call

What do Claude Opus 4.6 and GPT-5 Mini say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Opus 4.6

Input

$5.00

Output

$25.00

GPT-5 Mini

Input

$0.25

20× cheaper

Output

$2.00

13× cheaper

GPT-5 Mini is cheaper on both — 20× input, 13× output

Writing DNA

Style Comparison

Similarity

26%

Claude Opus 4.6 uses 519.3x more bold

Claude Opus 4.6

GPT-5 Mini

53%Vocabulary62%

35wSentence Length21w

0.68Hedging0.16

5.2Bold0.0

2.9Lists3.4

0.21Emoji0.00

1.34Headings0.00

0.03Transitions0.05

Based on 23 + 15 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5 Mini vs MiniMax M3New provider

GPT-5 Mini vs Ox AlphaNew provider

GPT-5 Mini vs Gemini 2.5 Pro (I/O Edition)New provider

GPT-5 Mini vs Gemini 2.5 Pro Preview 06-05New provider

Claude Opus 4.6 vs North Mini CodeNew provider

GPT-5 Mini vs Amazon Nova 2 LiteNew provider

GPT-5 Mini vs Nova Premier 1.0New provider

Claude Opus 4.6 vs o1Cross-provider