What is the difference between Claude Haiku 4.5 and GPT-5 Mini?

Claude Haiku 4.5 is developed by Anthropic while GPT-5 Mini is developed by OpenAI. in 26 community votes on Rival, Claude Haiku 4.5 wins 76% of head-to-head matchups. These results are based on blind head-to-head voting across 54 challenges.

Which is better, Claude Haiku 4.5 or GPT-5 Mini?

Based on 26 community votes on Rival, Claude Haiku 4.5 wins 76% of head-to-head matchups against GPT-5 Mini. Claude Haiku 4.5 is strongest in Image Generation, Web Design, Conversation. However, GPT-5 Mini leads in Reasoning.

How much does Claude Haiku 4.5 cost compared to GPT-5 Mini?

Claude Haiku 4.5 costs $1/M input tokens and GPT-5 Mini costs $0.25/M input tokens. GPT-5 Mini is $0.75/M cheaper per input. The more expensive model wins 76% of duels, so the premium may be justified by quality.

How are Claude Haiku 4.5 vs GPT-5 Mini votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 26 votes have been collected for this pair across 54 challenges. All vote data is part of Rival's open dataset.

What is the difference between Claude Haiku 4.5 and GPT-5 Mini?

Claude Haiku 4.5 is developed by Anthropic while GPT-5 Mini is developed by OpenAI. in 26 community votes on Rival, Claude Haiku 4.5 wins 76% of head-to-head matchups. These results are based on blind head-to-head voting across 54 challenges.

Which is better, Claude Haiku 4.5 or GPT-5 Mini?

Based on 26 community votes on Rival, Claude Haiku 4.5 wins 76% of head-to-head matchups against GPT-5 Mini. Claude Haiku 4.5 is strongest in Image Generation, Web Design, Conversation. However, GPT-5 Mini leads in Reasoning.

How much does Claude Haiku 4.5 cost compared to GPT-5 Mini?

Claude Haiku 4.5 costs $1/M input tokens and GPT-5 Mini costs $0.25/M input tokens. GPT-5 Mini is $0.75/M cheaper per input. The more expensive model wins 76% of duels, so the premium may be justified by quality.

How are Claude Haiku 4.5 vs GPT-5 Mini votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 26 votes have been collected for this pair across 54 challenges. All vote data is part of Rival's open dataset.

Updated Oct 2025

Claude Haiku 4.5vsGPT-5 Mini

Claude Haiku 4.5 wins 76% of 26 blind community votes against GPT-5 Mini on Rival.

Claude Haiku 4.5 and GPT-5 Mini compared across 54 shared prompts
Spec	Claude Haiku 4.5	GPT-5 Mini
Win rate	76%	24%
Input price	$1/M tokens	$0.25/M tokens
Output price	$5/M tokens	$2/M tokens
Context window	200K tokens	—
Released	Oct 2025	Aug 2025
SWE-bench Verified	73.3%	~70%

Our Verdict

Claude Haiku 4.5Winner

GPT-5 MiniRunner-up

Pick Claude Haiku 4.5. In 26 blind votes, Claude Haiku 4.5 wins 76% of the time. That's not luck.

Pick Claude Haiku 4.5 for Web Design, Conversation, Image Generation. Pick GPT-5 Mini for Reasoning.

Clear winner

What do Claude Haiku 4.5 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 Haiku 4.5

Input

$1.00

Output

$5.00

GPT-5 Mini

Input

$0.25

4.0× cheaper

Output

$2.00

2.5× cheaper

GPT-5 Mini is cheaper on both — 4.0× input, 2.5× output

Writing DNA

Style Comparison

Similarity

44%

Claude Haiku 4.5 uses 513.9x more bold

Claude Haiku 4.5

GPT-5 Mini

61%Vocabulary62%

47wSentence Length21w

0.64Hedging0.16

5.1Bold0.0

6.3Lists3.4

0.20Emoji0.00

2.46Headings0.00

0.17Transitions0.05

Based on 24 + 15 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

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GPT-5 Mini vs Grok 4New provider

Claude Haiku 4.5 vs MiniMax M2.7New provider

Claude Haiku 4.5 vs GPT-5.1-CodexCross-provider

Claude Haiku 4.5 vs GPT-5.1 Codex MaxCross-provider

Claude Haiku 4.5 vs GPT-5.1-Codex-MiniCross-provider

Claude Haiku 4.5 vs GPT-5.2Cross-provider

Updated Oct 2025

Claude Haiku 4.5vsGPT-5 Mini

Claude Haiku 4.5 wins 76% of 26 blind community votes against GPT-5 Mini on Rival.

Claude Haiku 4.5 and GPT-5 Mini compared across 54 shared prompts
Spec	Claude Haiku 4.5	GPT-5 Mini
Win rate	76%	24%
Input price	$1/M tokens	$0.25/M tokens
Output price	$5/M tokens	$2/M tokens
Context window	200K tokens	—
Released	Oct 2025	Aug 2025
SWE-bench Verified	73.3%	~70%

Our Verdict

Claude Haiku 4.5Winner

GPT-5 MiniRunner-up

Pick Claude Haiku 4.5. In 26 blind votes, Claude Haiku 4.5 wins 76% of the time. That's not luck.

Pick Claude Haiku 4.5 for Web Design, Conversation, Image Generation. Pick GPT-5 Mini for Reasoning.

Clear winner

What do Claude Haiku 4.5 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 Haiku 4.5

Input

$1.00

Output

$5.00

GPT-5 Mini

Input

$0.25

4.0× cheaper

Output

$2.00

2.5× cheaper

GPT-5 Mini is cheaper on both — 4.0× input, 2.5× output

Writing DNA

Style Comparison

Similarity

44%

Claude Haiku 4.5 uses 513.9x more bold

Claude Haiku 4.5

GPT-5 Mini

61%Vocabulary62%

47wSentence Length21w

0.64Hedging0.16

5.1Bold0.0

6.3Lists3.4

0.20Emoji0.00

2.46Headings0.00

0.17Transitions0.05

Based on 24 + 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 Grok 4New provider

Claude Haiku 4.5 vs MiniMax M2.7New provider

Claude Haiku 4.5 vs GPT-5.1-CodexCross-provider

Claude Haiku 4.5 vs GPT-5.1 Codex MaxCross-provider

Claude Haiku 4.5 vs GPT-5.1-Codex-MiniCross-provider

Claude Haiku 4.5 vs GPT-5.2Cross-provider