OpenAI: GPT-5.5 (batch)
This AI model from OpenAI is designed for processing large amounts of text, with a context length of 1,050,000 tokens and a maximum completion size of 128,000 tokens. It supports multiple input modalities, including files, images, and text. Given its price point, this model may be worth considering by those who require a robust text processing capability at an output price of $15 per million tokens. Its benchmark standing is notable, with a blended score of 83.3 across two independent benchmarks, although the extent to which it excels in specific areas remains unclear due to incomplete coverage.
Benchmark results
Independent, published benchmarks. Blended score 80.3 across 2 benchmarks, last refreshed 2026-09-23. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 63.3 |
| EQ-Bench | emotional understanding in dialogue | 82.4 |
- Model ID
- openai/gpt-5.5:batch
- Vendor
- openai
- Released
- April 2026
- Tokenizer
- GPT
- Input Modalities
- file, image, text
- Output Modalities
- text
- Max Output
- 128,000 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 $2.50/M input and $15.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.10 |
| Classify 1,000 customer emails | 500k in / 50k out | $2.00 |
| A month of a busy support chatbot | 5M in / 2M out | $42.50 |
Category rankings
Where OpenAI: GPT-5.5 (batch) places across the 50 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #8 | Code RefactoringCode · of 25 ranked | 156 |
| #8 | ETL ScriptingData · of 25 ranked | 145 |
| #8 | Long-Document SummarizationWriting · of 25 ranked | 157 |
| #8 | Creative WritingWriting · of 25 ranked | 149 |
| #8 | Screenwriting & DialogWriting · of 25 ranked | 149 |
| #8 | Academic WritingWriting · of 25 ranked | 149 |
| #8 | Legal DraftingProfessional · of 25 ranked | 149 |
| #8 | Legal ResearchProfessional · of 25 ranked | 161 |
| #8 | Contract ReviewProfessional · of 25 ranked | 165 |
| #8 | Medical Note SummarizationProfessional · of 25 ranked | 145 |
| #8 | Scientific ResearchProfessional · of 25 ranked | 161 |
| #8 | History TutoringEducation · of 25 ranked | 141 |
| #8 | OKRs & Strategic PlanningBusiness · of 25 ranked | 149 |
| #8 | RAG PipelinesAgents · of 25 ranked | 156 |
| #8 | Long-Context Q&AAgents · of 25 ranked | 152 |
| #8 | Character RoleplayPersonal · of 25 ranked | 145 |
| #8 | Fiction CollaboratorPersonal · of 25 ranked | 161 |
| #8 | Math ProofsResearch · of 25 ranked | 149 |
| #8 | Literature ReviewResearch · of 25 ranked | 161 |
| #10 | Code ReviewCode · of 25 ranked | 153 |
| #10 | Bug FixingCode · of 25 ranked | 157 |
| #10 | Blog Post WritingWriting · of 25 ranked | 133 |
| #10 | Physics TutoringEducation · of 25 ranked | 138 |
| #10 | Essay GradingEducation · of 25 ranked | 153 |
| #10 | RFP ResponseBusiness · of 25 ranked | 160 |
| #10 | Trip PlanningPersonal · of 25 ranked | 133 |
| #10 | Scientific CodingResearch · of 25 ranked | 157 |
| #11 | Transcript CleanupWriting · of 25 ranked | 143 |
| #12 | Code DocumentationCode · of 25 ranked | 140 |
| #12 | CI/CD PipelinesCode · of 25 ranked | 133 |
| #12 | Agent WorkflowsAgents · of 25 ranked | 161 |
| #12 | Coding AgentsAgents · of 25 ranked | 161 |
| #14 | Math TutoringEducation · of 25 ranked | 130 |
| #15 | Frontend Component DesignCode · of 25 ranked | 132 |
| #15 | Marketing CopyWriting · of 25 ranked | 121 |
| #15 | Standardized Test PrepEducation · of 25 ranked | 121 |
| #15 | Screenshot DebuggingVision · of 25 ranked | 134 |
| #15 | Chart & Graph ReadingVision · of 25 ranked | 138 |
| #16 | Unit Test GenerationCode · of 25 ranked | 137 |
| #16 | OCR / Document ParsingData · of 25 ranked | 136 |
| #16 | Table Extraction from PDFsData · of 25 ranked | 136 |
| #16 | Financial AnalysisProfessional · of 25 ranked | 134 |
| #16 | Fitness CoachingPersonal · of 25 ranked | 121 |
| #18 | SQL GenerationCode · of 25 ranked | 145 |
| #18 | Data AnalysisData · of 25 ranked | 138 |
| #18 | Experiment DesignResearch · of 25 ranked | 134 |
| #19 | Meeting NotesBusiness · of 25 ranked | 143 |
| #20 | Browser AutomationAgents · of 25 ranked | 140 |
| #21 | CSV / Spreadsheet CleanupData · of 25 ranked | 139 |
| #21 | Diagram ExtractionVision · of 25 ranked | 133 |
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Quick answers
- How much does OpenAI: GPT-5.5 (batch) cost?
- $2.50 per million input tokens and $15.00 per million output tokens.
- What is OpenAI: GPT-5.5 (batch)'s context window?
- 1,050,000 tokens, roughly 1,575 pages of text in a single request.
- Does OpenAI: GPT-5.5 (batch) support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can OpenAI: GPT-5.5 (batch) process images?
- Yes, it accepts image input.