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Last scan 2026-11-07 Models tracked 308 Providers 42 Cheapest paid pplx-decider-flash-v1.2 $0.010/Mtok in Every price links to its source

o4-mini

by OpenAI

Retired reasoning mid tier
Retired on . No longer served on the endpoint we price — the figures below are kept for historical reference only. Replaced by GPT-5.6 Terra. Full retirement status & replacements →
Availability: OpenAI shut down o4-mini (o4-mini-2025-04-16) on 2026-10-23 (deprecations page, section "2026-04-22: Legacy GPT model snapshots": "Access to these models was shut down on October 23, 2026"). The substitute it names is GPT-5.6 Terra (gpt-5.6-terra). The rate shown is the last public price; you can no longer buy this model from OpenAI. Checked against OpenAI's deprecations page on 2026-10-24.

Today's price · per 1M tokens

Input

$1.10

per 1M tokens

Output

$4.40

per 1M tokens

Blended

$1.93

blended $/1M — 3:1 weighted input:output

Cached input

$0.275

25% of input — prompt caching

Source: official OpenAI pricing · read MODELPRICEWATCH.COM · 2026-11-07

Price receipt

Historical price.This model is retired — withdrawn on — so the provider no longer sells it and its page can no longer confirm this number: a price for a model no longer on sale is unconfirmable by definition, not missing. The figures above are the last prices we recorded for this model, kept as a historical record rather than a live quote.

Overview

Reasoning model with extended thinking. Cost-effective for complex problem solving.

Capabilities

struck through = not supported
Input 2/4
Text ✓ Image ✓ Audio Video
Output
Text ✓
Features 4/9
Prompt caching ✓ Reasoning ✓ Coding Fast inference Long context ✓ Open weights Multimodal ✓ Web search Realtime

Benchmark performance

accuracy % · higher is better
Avg benchmark score69.2%
Perf per $/Mtok35.9
GPQA Diamond
81.4%
SWE-Bench Verified
68%
Humanity's Last Exam
14.28%
ARC-AGI 2
40%
AIME 2025
92.7%
MMMLU
86%
BFCL
82%
HumanEval
68.1%
MATH 500
90%
Independent composite scores
  • LMSYS Chatbot Arena: 1391 ELO (Human preference)
How it stacks up
  • Ranks #48 of 100 benchmarked models by average score
  • Ranks #80 of 194 comparably-measured models by percentile score, across 10 independent measurements
  • Ranks #121 of 194 comparably-tested models by normalized performance per dollar
  • Strongest at BFCL — 82%, #2 of 23

135 tokens/sec output 35.3s latency to first token (TTFT)

Source: Vellum LLM Leaderboard · updated · See full rankings →

Specifications

Provider
OpenAI
Context window
200K tokens
Modality
text, image
Parameters
Proprietary
Open source
No — proprietary
Released
Status
Retired ended
Last updated
Tags
reasoningmultimodalretired

Availability verified: — per OpenAI's own deprecation notice