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OpenAI

o4-mini

Complete specs, pricing, and benchmark data for o4-mini by OpenAI. Last verified 2026-04-03.

VisionMultimodalJSON ModeFunctionsStreamingCode Exec
Pricing

Input / 1M tokens

$1.10

Output / 1M tokens

$4.40

Cached Input / 1M

$0.275

Context & Output

Context Window

200K

Max Output

100,000

TTFT

1200ms

Speed

60 tok/s

Benchmarks

Arena ELO

1350

Coding ELO

1380

Reasoning ELO

1390

HumanEval

94.2

MMLU

91

MATH

93.4

GPQA

76.7

Price History (Input $/M tokens)

Strengths
  • +Excellent reasoning and math capabilities
  • +Strong coding performance
  • +Affordable for a reasoning model
  • +Large output window
Limitations
  • -Higher latency due to chain-of-thought
  • -Not ideal for simple chat tasks
  • -Streaming shows thinking tokens

Best For

ReasoningMathCodingScience

Compare o4-mini with...

vs Gemini 2.5 Provs Claude Opus 4vs DeepSeek R1vs o3-minivs Grok 3vs GPT-4.1vs Llama 4 Maverickvs Claude Sonnet 4vs DeepSeek V3vs Gemini 2.0 Flashvs GPT-4ovs Qwen 2.5 Max
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