openai

OpenAI: o3

The OpenAI o3 model is a language processing tool that can handle various input types, including text, images, and files, with a context length of up to 200,000 tokens. It supports tools and reasoning capabilities, but does not produce structured output. This model may be worth considering for those who require advanced reasoning abilities or need to integrate with external tools, given its moderate price point of $2.0 per million input tokens and $8.0 per million output tokens. Its blended benchmark score is 72.1 across three independent benchmarks, which may indicate a balance between performance and generalizability. However, further evaluation would be necessary to fully assess the model's suitability for specific use cases.

Quality Score
100/100
price + capability + benchmarks
Input Price
$2.00
per 1M tokens · checked 2026-09-27
Output Price
$8.00
per 1M tokens · checked 2026-09-27
Context Window
200,000
tokens

Benchmark results

Independent, published benchmarks. Blended score 71.2 across 3 benchmarks, last refreshed 2026-09-27. How scoring works →

BenchmarkMeasuresScore
Aider Polyglot code editing across languages 81.3
AI Index broad capability composite 33.3
EQ-Bench emotional understanding in dialogue 74.7
Model ID
openai/o3
Vendor
openai
Released
April 2025
Tokenizer
GPT
Input Modalities
image, text, file
Output Modalities
text
Max Output
100,000 tokens
Tool Calling
✓ supported
Structured Output
✓ supported
Reasoning Mode
✓ supported
Vision
✓ accepts images
Audio
no
Moderated
yes

What it costs in practice

Computed from the current $2.00/M input and $8.00/M output rates. Run your own numbers →

JobTokensCost
Summarize a 50-page report 30k in / 1.5k out $0.07
Classify 1,000 customer emails 500k in / 50k out $1.40
A month of a busy support chatbot 5M in / 2M out $26.00

Strong choice for

Category rankings

Where OpenAI: o3 places across the 55 categories it ranks in. How we rank →

#CategoryScore
#2 Data AnalysisData · of 25 ranked 148
#2 Financial AnalysisProfessional · of 25 ranked 143
#2 Math TutoringEducation · of 25 ranked 137
#2 Diagram ExtractionVision · of 25 ranked 139
#2 Browser AutomationAgents · of 25 ranked 148
#2 Fitness CoachingPersonal · of 25 ranked 127
#2 Experiment DesignResearch · of 25 ranked 144
#3 SOP / Process DocsBusiness · of 25 ranked 128
#4 Regex WritingCode · of 25 ranked 130
#4 Frontend Component DesignCode · of 25 ranked 137
#4 Marketing CopyWriting · of 25 ranked 125
#4 Language TranslationWriting · of 25 ranked 130
#4 Standardized Test PrepEducation · of 25 ranked 125
#4 Resume WritingBusiness · of 25 ranked 115
#4 Screenshot DebuggingVision · of 25 ranked 136
#4 Chart & Graph ReadingVision · of 25 ranked 143
#4 Tutoring for KidsPersonal · of 25 ranked 130
#5 Sales / Cold EmailBusiness · of 25 ranked 120
#5 Job Application DraftingBusiness · of 25 ranked 120
#5 Function / Tool CallingAgents · of 25 ranked 129
#5 Journaling HelperPersonal · of 25 ranked 120
#5 Recipe GenerationPersonal · of 25 ranked 120
#6 Physics TutoringEducation · of 25 ranked 139
#7 Unit Test GenerationCode · of 25 ranked 141
#7 CI/CD PipelinesCode · of 25 ranked 135
#7 Agent WorkflowsAgents · of 25 ranked 163
#7 Coding AgentsAgents · of 25 ranked 163
#8 SQL GenerationCode · of 25 ranked 152
#11 Code ReviewCode · of 25 ranked 153
#11 Bug FixingCode · of 25 ranked 157
#11 Essay GradingEducation · of 25 ranked 153
#11 Scientific CodingResearch · of 25 ranked 157
#12 Blog Post WritingWriting · of 25 ranked 133
#12 Trip PlanningPersonal · of 25 ranked 133
#15 Creative WritingWriting · of 25 ranked 146
#15 Screenwriting & DialogWriting · of 25 ranked 146
#15 Academic WritingWriting · of 25 ranked 146
#15 Legal DraftingProfessional · of 25 ranked 146
#15 OKRs & Strategic PlanningBusiness · of 25 ranked 146
#15 Math ProofsResearch · of 25 ranked 146
#16 ETL ScriptingData · of 25 ranked 142
#16 Medical Note SummarizationProfessional · of 25 ranked 142
#17 OCR / Document ParsingData · of 25 ranked 136
#17 Table Extraction from PDFsData · of 25 ranked 136
#21 CSV / Spreadsheet CleanupData · of 25 ranked 139
#21 RFP ResponseBusiness · of 25 ranked 156
#22 Contract ReviewProfessional · of 25 ranked 160
#23 Legal ResearchProfessional · of 25 ranked 154
#23 Scientific ResearchProfessional · of 25 ranked 154
#23 History TutoringEducation · of 25 ranked 136
#23 Character RoleplayPersonal · of 25 ranked 141
#23 Fiction CollaboratorPersonal · of 25 ranked 154
#23 Literature ReviewResearch · of 25 ranked 154
#25 Code RefactoringCode · of 25 ranked 150
#25 RAG PipelinesAgents · of 25 ranked 150

Similar models

Quick answers

How much does OpenAI: o3 cost?
$2.00 per million input tokens and $8.00 per million output tokens.
What is OpenAI: o3's context window?
200,000 tokens, roughly 300 pages of text in a single request.
Does OpenAI: o3 support tool calling?
It supports tool calling, structured output, a reasoning mode.
Can OpenAI: o3 process images?
Yes, it accepts image input.

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.