All Comparisons

Claude Haiku 4.5 vs o4-mini

Claude Haiku 4.5
Anthropic 🇺🇸
58.7
#157—
medium
$1.00/M in · $5.00/M out
200K context
o4-mini
OpenAI 🇺🇸
56.7
#172—
high
Most Affordable
Claude Haiku 4.5
$1.00/M input
Largest Context
Claude Haiku 4.5
200K tokens
Best Benchmark Score
Claude Haiku 4.5
58.7/100

Model Specifications

SpecClaude Haiku 4.5o4-mini
ProviderAnthropicOpenAI
Release DateOct 2025Apr 2025
Knowledge Cutoff2025-02-012024-05-31
ParametersUndisclosedUndisclosed
Context Window200K—
Max Output——
Open SourceNoNo
Licenseproprietaryproprietary
Tokenizer——
Modality——
Reasoning ModelNoNo
ModeratedNoNo

Pricing Comparison

Price (per 1M tokens)Claude Haiku 4.5o4-mini
Input$1.00—
Output$5.00—

API Provider Pricing

Capabilities

FeatureClaude Haiku 4.5o4-mini
Text Input
Image Input (Vision)
Audio Input
Video Input
File Input
Image Output
Audio Output
Tool Use
Structured Output (JSON)
Streaming
Reasoning Tokens
Web Search
Temperature Control
Top-P Sampling
Stop Sequences
Seed (Reproducibility)
Log Probabilities

Category Comparison

Benchmark-by-Benchmark

general

BenchmarkClaude Haiku 4.5o4-mini
MMMLU
83
—

coding

BenchmarkClaude Haiku 4.5o4-mini
SWE-bench Verified
73.3
68.1
TerminalBench
41
—

math

BenchmarkClaude Haiku 4.5o4-mini
AIME 2025
80.7
92.7

reasoning

BenchmarkClaude Haiku 4.5o4-mini
GPQA Diamond
73
81.4
Humanity's Last Exam—
14.7

agent

BenchmarkClaude Haiku 4.5o4-mini
OSWorld
50.7
—
BrowseComp—
51.5
TAU-Bench Retail—
71.8

multimodal

BenchmarkClaude Haiku 4.5o4-mini
MMMU—
81.6
CharXiv Reasoning—
72

Category Winners

coding
Claude Haiku 4.5
70.2
math
o4-mini
74.6
reasoning
Claude Haiku 4.5
59.1
general
Claude Haiku 4.5
48.8
multimodal
o4-mini
61.6
agent
Claude Haiku 4.5
57.3

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Frequently Asked Questions