LLM Reference

o1 (12-17)

Released
2024-12-17
Last refreshed
2026-05-10
Status
Researched 25d ago
DeprecatedProprietaryCodingAgentsLong contextVision

o1 (12-17) is a legacy integration reference; evaluate o3 before starting new work.

Use it for

  • Teams maintaining an existing integration
  • Workloads that can use a 128k context window
  • Buyers comparing 2 tracked provider routes

Do not use it for

  • New production launches
  • Vision or document-understanding workloads
  • Strict JSON or tool-calling flows
Specifications
Family
o1
Released
2024-12-17
Context
128k
Architecture
Decoder Only
Specialization
general
License
Proprietary
Training
finetuned
Created by

Cutting-edge research and development.

San Francisco, California, United States
Founded 2015
Website
Pricing
Output / 1M
$60.00
Input / 1M
$15.00

Cheapest of 2 routes · OpenAI API

This model is deprecated. OpenAI recommends switching to o3.

About

Latest OpenAI o1 model emphasizing advanced reasoning and complex problem-solving.

o1 (12-17) is a proprietary model in the o1 family. The structured metadata tracks a 128k-token context window, reasoning, and code execution. This page tracks provider routes through Replicate API and OpenAI API, with the cheapest tracked route listed at $15 input and $60 output per 1M tokens. Headline tracked benchmarks include Chatbot Arena 1385.0, Google-Proof Q&A 78.0, and Massive Multi-discipline Multimodal Understanding 78.2.

Top use-case fit: coding, agents, and build tasks

Coding

Included by capability and metadata signals in the decision map.

Agents

Included by capability and metadata signals in the decision map.

Long context

Included by capability and metadata signals in the decision map.

Provider price ladder

Compare all 2

Compare API pricing across 2 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MBatch in / outRoute
OpenAI API$15.00$60.00$7.50 / $30.00
Serverless
Replicate API$15.00$60.00-
Serverless

Capabilities

ReasoningCode Execution

Benchmark peer barsfor Vision

Benchmark scores(3)

Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.
BenchmarkScoreVersionSource
Chatbot Arena1385.0https://lmarena.ai
Google-Proof Q&A78.0diamondhttps://openai.com/index/learning-to-reason-with-llms/
Massive Multi-discipline Multimodal Understanding78.2https://mmmu-benchmark.github.io/

Migration checks

No linked migration route is available for this model yet.

Rankings & picks(2)

Comparison and alternatives

Browse all comparisons →