OpenAI: GPT-5.6 Terra (batch)
The OpenAI GPT-5.6 Terra (batch) is a powerful AI model capable of processing text, images, and files, with a context length of 1,050,000 tokens and support for reasoning and tools integration. It excels in various tasks through its high benchmark scores, particularly in coding where it reaches a perfect score. Those looking for robust performance across multiple modalities should consider this model; despite its strong benchmarks and capabilities, the cost of $6 per million output tokens may be a factor. With a blended score of 92.7 across three independent benchmarks, it offers solid value, though the relatively high price might limit its appeal to budget-conscious users.
Benchmark results
Independent, published benchmarks. Blended score 92.7 across 3 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 93.3 |
| AI Index Coding | software engineering tasks | 100.0 |
| AI Index Agentic | multi-step tool-using tasks | 82.8 |
- Model ID
- openai/gpt-5.6-terra:batch
- Vendor
- openai
- Released
- July 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 $1.00/M input and $6.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.04 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.80 |
| A month of a busy support chatbot | 5M in / 2M out | $17.00 |
Category rankings
Where OpenAI: GPT-5.6 Terra (batch) places across the 50 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #11 | Function / Tool CallingAgents · of 25 ranked | 155 |
| #15 | Frontend Component DesignCode · of 25 ranked | 148 |
| #15 | Resume WritingBusiness · of 25 ranked | 118 |
| #16 | Diagram ExtractionVision · of 25 ranked | 150 |
| #16 | Screenshot DebuggingVision · of 25 ranked | 144 |
| #16 | Chart & Graph ReadingVision · of 25 ranked | 153 |
| #16 | Browser AutomationAgents · of 25 ranked | 174 |
| #17 | Regex WritingCode · of 25 ranked | 136 |
| #17 | Language TranslationWriting · of 25 ranked | 136 |
| #17 | Sales / Cold EmailBusiness · of 25 ranked | 123 |
| #17 | Job Application DraftingBusiness · of 25 ranked | 123 |
| #17 | SOP / Process DocsBusiness · of 25 ranked | 138 |
| #17 | Journaling HelperPersonal · of 25 ranked | 123 |
| #17 | Recipe GenerationPersonal · of 25 ranked | 123 |
| #17 | Tutoring for KidsPersonal · of 25 ranked | 136 |
| #18 | OCR / Document ParsingData · of 25 ranked | 147 |
| #18 | Table Extraction from PDFsData · of 25 ranked | 147 |
| #18 | Marketing CopyWriting · of 25 ranked | 131 |
| #18 | Standardized Test PrepEducation · of 25 ranked | 131 |
| #19 | Data AnalysisData · of 25 ranked | 173 |
| #19 | Blog Post WritingWriting · of 25 ranked | 141 |
| #19 | Financial AnalysisProfessional · of 25 ranked | 161 |
| #19 | Math TutoringEducation · of 25 ranked | 149 |
| #19 | Trip PlanningPersonal · of 25 ranked | 141 |
| #20 | SQL GenerationCode · of 25 ranked | 173 |
| #21 | Bug FixingCode · of 25 ranked | 183 |
| #21 | Code DocumentationCode · of 25 ranked | 143 |
| #21 | Fitness CoachingPersonal · of 25 ranked | 136 |
| #21 | Scientific CodingResearch · of 25 ranked | 183 |
| #22 | CSV / Spreadsheet CleanupData · of 25 ranked | 154 |
| #22 | Agent WorkflowsAgents · of 25 ranked | 195 |
| #22 | Coding AgentsAgents · of 25 ranked | 195 |
| #22 | Experiment DesignResearch · of 25 ranked | 159 |
| #23 | Unit Test GenerationCode · of 25 ranked | 155 |
| #23 | Creative WritingWriting · of 25 ranked | 159 |
| #23 | Screenwriting & DialogWriting · of 25 ranked | 159 |
| #23 | Academic WritingWriting · of 25 ranked | 159 |
| #23 | Legal DraftingProfessional · of 25 ranked | 159 |
| #23 | Physics TutoringEducation · of 25 ranked | 149 |
| #23 | OKRs & Strategic PlanningBusiness · of 25 ranked | 159 |
| #23 | Math ProofsResearch · of 25 ranked | 159 |
| #24 | CI/CD PipelinesCode · of 25 ranked | 146 |
| #24 | Character RoleplayPersonal · of 25 ranked | 151 |
| #25 | Code ReviewCode · of 25 ranked | 169 |
| #25 | ETL ScriptingData · of 25 ranked | 155 |
| #25 | Long-Document SummarizationWriting · of 25 ranked | 161 |
| #25 | Contract ReviewProfessional · of 25 ranked | 178 |
| #25 | Medical Note SummarizationProfessional · of 25 ranked | 155 |
| #25 | Essay GradingEducation · of 25 ranked | 169 |
| #25 | RFP ResponseBusiness · of 25 ranked | 175 |
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Quick answers
- How much does OpenAI: GPT-5.6 Terra (batch) cost?
- $1.00 per million input tokens and $6.00 per million output tokens.
- What is OpenAI: GPT-5.6 Terra (batch)'s context window?
- 1,050,000 tokens, roughly 1,575 pages of text in a single request.
- Does OpenAI: GPT-5.6 Terra (batch) support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can OpenAI: GPT-5.6 Terra (batch) process images?
- Yes, it accepts image input.