The Orchestrator › Models › OpenAI

OpenAI: GPT-5.5

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

Specifications

ProviderOpenAI
Model IDopenai/gpt-5.5
Context window1.1M tokens (1,050,000)
Modalitiestext + image + file → text
TokenizerGPT
Router sourcesOpenRouter, TrustedRouter, Vercel AI Gateway, Cloudflare
Released2026-04-24
Tracked since2026-11-14
PopularityNot in the ranked set
ReasoningOn by default

Pricing (per million tokens)

VariantSourceAPI IDInputOutputContext
standardOpenRouteropenai/gpt-5.5$5.00$30.001.1M
batchOpenRouteropenai/gpt-5.5:batch$2.50$15.001.1M
standardTrustedRouteropenai/gpt-5.5$5.28$31.651.1M
standardVercel AI Gatewayopenai/gpt-5.5$5.00$30.001M
fastVercel AI Gatewayopenai/gpt-5.5:fast$12.50$75.001M
batchVercel AI Gatewayopenai/gpt-5.5:batch$2.50$15.001M
standardCloudflareopenai/gpt-5.5$5.00$30.00—

Recorded price history

DateInput / 1MOutput / 1MContext
2026-11-14$5.00$30.00—
2026-11-14$5.00$30.001M
2026-11-14$5.28$31.651.1M
2026-11-14$5.00$30.001.1M

Capabilities

Vision (image input)File inputAgentic tool useStructured outputsReasoning mode1M+ context windowControllable reasoningNo content storage (attested)Zero data retentionNo training on inputs (attested)

Trust flags come from TrustedRouter's per-provider attestations.

Supported parameters

include_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools, verbosity