LLMopenai

OpenAI: GPT-5.2 (batch)

GPT-5.2 is the latest frontier-grade model in the GPT-5 series, offering stronger agentic and long context perfomance compared to GPT-5.1. It uses adaptive reasoning to allocate computation dynamically, responding quickly...

Anyone in the Project can @-mention OpenAI: GPT-5.2 (batch) with the team's shared context - pooled credits, one chat, one memory.

All models

Starter is free forever - 1 Project, 100 credits/month, 1 MCP. No card.

Verdict

GPT-5.2 batch is OpenAI's async processing variant optimized for high-volume, non-interactive workloads where 50-hour turnaround is acceptable. You get 50% cost savings versus real-time GPT-5.2 ($0.88/$7.00 vs $1.75/$14.00 per Mtok) in exchange for delayed results. The 400K context window handles book-length documents and large codebases. Reach for this when you're processing datasets, generating synthetic training data, or running evals overnight—skip it for anything user-facing or time-sensitive.

Best for

  • Overnight dataset labeling and classification
  • Bulk document summarization pipelines
  • Synthetic training data generation
  • Large-scale code analysis and refactoring
  • Batch evaluation runs for model testing

Strengths

The 50% discount makes this the most cost-effective way to access GPT-5.2's reasoning capabilities when latency doesn't matter. The 400K context window lets you process entire codebases or technical manuals in a single call without chunking. File and image support means you can queue mixed-media jobs—PDFs, screenshots, CSVs—without preprocessing. For teams running nightly pipelines or generating synthetic data at scale, the economics are compelling.

Trade-offs

The 50-hour maximum turnaround makes this unusable for interactive workflows or anything user-facing. You lose streaming entirely, so debugging long-running jobs requires waiting for full completion. OpenAI provides no SLA on actual completion time within that 50-hour window, so critical-path workloads are risky. If your batch fails partway through, you're resubmitting from scratch. Teams needing sub-hour turnaround should pay full price for real-time GPT-5.2 instead.

Specifications

Provider
openai
Category
llm
Context length
400,000 tokens
Max output
128,000 tokens
Modalities
file, image, text
License
proprietary
Released
2025-12-10

Pricing

Input
$0.88/Mtok
Output
$7.00/Mtok
Model ID
openai/gpt-5.2:batch

Per-token prices show what the model costs upstream. On Switchy your team draws from one shared org credit pool - one plan, one balance for everyone.

Team cost calculator

Estimated monthly spend
$47.74
17.6M tokens / month
5 seats · 80 msgs/day

Switchy meters this against your org's shared credit pool - one plan, one balance for everyone.

Providers

ProviderContextInputOutputP50 latencyThroughput30d uptime
openai400k$0.88/Mtok$7.00/Mtok———

Performance

Performance snapshots are collected daily. Check back after the next ingestion run.

Benchmarks

Public benchmark scores are not available yet for this model. Check back after the next ingestion run.

Works well with

Top MCPs

Compatibility data comes from first-party telemetry; once we have enough co-usage signal, top MCPs for this model will appear here.

How Switchy teams use it

Not enough Projects have used this model yet to share anonymised team stats. We wait for at least 50 distinct Projects per week before publishing any aggregate.

Starter prompts

Label Customer Support Tickets

Classify this support ticket into one of these categories: [billing, technical, feature_request, bug_report]. Also assign urgency: [low, medium, high, critical]. Return JSON with 'category', 'urgency', and 'reasoning' fields.

Generate Synthetic QA Pairs

Read this technical documentation and generate 50 diverse question-answer pairs that test understanding at different difficulty levels. Include edge cases and common misconceptions. Format as JSON array with 'question', 'answer', and 'difficulty' fields.

Refactor Legacy Codebase

Review this codebase and identify opportunities to refactor for better maintainability. Focus on reducing duplication, improving naming, and modernizing patterns. Provide specific file paths, line numbers, and refactored code snippets.

Summarize Research Papers

Summarize this research paper in 300 words. Include: main hypothesis, methodology, key findings, limitations, and implications for practitioners. Use clear section headers.

Extract Structured Data from Invoices

Extract all line items from this invoice image. Return JSON with vendor name, invoice number, date, line items (description, quantity, unit price, total), subtotal, tax, and grand total. Handle missing fields gracefully.

Example outputs

Illustrative - representative of the model's voice and quality, not literal recordings.

Prompt

Review this Python function for edge cases and suggest defensive improvements. The function parses user-uploaded CSV files and calculates rolling averages over a configurable window.

Output

This function would produce a structured code review identifying four edge cases: empty file handling (currently raises an unhandled exception), non-numeric column data (fails silently), window size exceeding dataset length (produces NaN without warning), and memory issues with files approaching the 400k token context limit. The model would suggest adding explicit type validation, implementing chunked processing for large files, and wrapping the rolling calculation in a try-except block with informative error messages. Each suggestion includes a 3-5 line code snippet showing the defensive pattern.

Notes

Demonstrates GPT-5.2's strength in architectural code review rather than just syntax fixes. The 400k context window allows analyzing entire codebases, but batch processing means no interactive clarification—prompts must be self-contained and specific about what 'defensive' means in your context.

Prompt

Extract all financial commitments, deadlines, and penalty clauses from this 47-page SaaS vendor contract. Output as a structured table with risk severity ratings.

Output

The model would return a markdown table with columns for clause reference, commitment type, deadline, penalty amount, and a risk rating (low/medium/high). Each row would cite specific page and section numbers from the contract. For a typical enterprise SaaS agreement, this might yield 15-20 rows covering payment terms, data retention obligations, termination notice periods, and liability caps. The risk ratings would reflect both financial exposure and operational impact, with brief justifications in a notes column.

Notes

Showcases the 400k token window handling long documents in a single pass—no chunking or summarization loss. However, batch mode means you can't ask follow-up questions about ambiguous clauses. Legal accuracy depends on prompt clarity: specify your risk framework upfront or ratings will be generic.

Prompt

Generate a technical FAQ for our API documentation. Context: we're a logistics platform, our API handles shipment tracking, rate quotes, and label generation. Assume developers are integrating for the first time.

Output

The model would produce 8-12 FAQ entries covering authentication setup, rate limiting behavior, webhook retry logic, and common error codes. Each answer would be 2-3 paragraphs with code examples in curl and Python. The tone would match technical documentation standards—precise, example-driven, no marketing language. Questions would anticipate real integration friction points: 'Why am I getting 429 errors during testing?' or 'How do I handle partial shipment updates?' rather than basic 'What is an API key?' content.

Notes

Highlights GPT-5.2's ability to infer domain-appropriate questions from minimal context and write in documentation voice. The batch pricing ($7/Mtok output) makes this cost-effective for bulk content generation. Trade-off: no real-time feedback loop, so provide example API responses or error messages in the prompt if you want accurate troubleshooting content.

Use-case deep-dives

Multi-document contract analysis

When 400K context beats chaining smaller models for legal review

A 12-person legal ops team processes vendor agreements that reference 8-12 prior contracts and internal policy docs. GPT-5.2 batch handles the entire corpus in one pass—no chunking, no retrieval step, no context-window juggling. At $0.88/Mtok input, a 300K-token review (all contracts plus policies) costs $0.26 per job. The 400K window means you load everything once and ask follow-up questions without re-uploading. If your contracts average under 50K tokens and don't cross-reference heavily, a smaller model saves money. But once you're stitching together 6+ documents per review and running 200+ jobs a month, the batch discount and single-pass architecture make this the default.

Overnight research synthesis

Batch pricing makes GPT-5.2 viable for daily research digests

A 4-person investment research team scrapes 80-120 PDFs and earnings transcripts every night, then generates a 10-page synthesis by 6 AM. GPT-5.2 batch runs asynchronously with a 24-hour SLA, so they queue the job at market close and pull results at breakfast. The $7.00/Mtok output rate is steep, but batch mode cuts total cost by 50% versus real-time API calls, and the 400K context means one model call per digest instead of map-reduce across 12 chunks. If you need results in under 2 hours, this won't work—batch jobs can take up to a day. But for overnight or weekend workloads where latency doesn't matter, the economics flip in your favor above 50 digests per month.

High-volume image captioning

When to skip GPT-5.2 batch for image-heavy workflows

A 20-person e-commerce team generates alt text for 5,000 product photos per week. GPT-5.2 batch supports images, but the $7.00/Mtok output price makes it expensive at scale—each 80-token caption costs $0.56 in output alone, or $2,800/week for the full run. A vision-specialized model at $0.50-$1.50/Mtok output cuts that bill by 75%. The 400K context window is wasted here because each image is an independent job. Use GPT-5.2 batch when you're processing multi-page visual documents (slide decks, design specs) where the context window adds value. For single-image tasks at volume, a cheaper vision model wins on unit economics every time.

Frequently asked

Is GPT-5.2 batch good for large-scale text processing?

Yes, if you can tolerate async processing. The batch endpoint trades real-time responses for 50% lower pricing compared to standard GPT-5.2. With a 400k token context window, you can process entire documents or codebases in one call. Best for overnight data pipelines, bulk summarization, or batch classification where latency doesn't matter.

Is GPT-5.2 batch cheaper than Claude Opus for bulk jobs?

GPT-5.2 batch costs $0.88 input and $7.00 output per million tokens. Claude Opus 4 runs $15 input and $75 output. For output-heavy tasks like content generation, GPT-5.2 batch is roughly 10x cheaper. For input-heavy analysis, it's about 17x cheaper. The batch discount makes this OpenAI's most cost-effective frontier model.

Can GPT-5.2 batch handle 400k tokens in practice?

The 400k context window is real, but batch jobs have a 24-hour completion SLA. Filling the entire context with complex reasoning tasks may push processing time toward that limit. For straightforward extraction or summarization across long documents, expect 2-6 hour turnaround. Test with your actual workload before committing production pipelines.

How does GPT-5.2 batch compare to GPT-5.2 standard?

Same model, same quality, half the price. The only difference is delivery: batch returns results asynchronously within 24 hours instead of streaming responses in real-time. You upload a JSONL file of prompts, get a job ID, and poll for completion. If your workflow can absorb that delay, there's no reason to pay double for the standard API.

Should I use GPT-5.2 batch for daily report generation?

Yes, if your reports can run overnight. Schedule batch jobs to kick off after business hours, pull results in the morning. The 400k context window means you can feed in a full day's logs, tickets, or transactions without chunking. Just build retry logic and status monitoring—batch jobs occasionally fail and need resubmission.

Compare with

More language models

See all language models →

Data last verified 13 hours ago.Sources aggregated hourly to weekly. See docs/architecture/model-directory.md.