The Orchestrator › Models › OpenAI

OpenAI: GPT-5

GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy...

Specifications

ProviderOpenAI
Model IDopenai/gpt-5
Context window400K tokens (400,000)
Modalitiestext + image + file → text
TokenizerGPT
Router sourcesOpenRouter, TrustedRouter, Vercel AI Gateway, Cloudflare
Released2025-08-07
Tracked since2026-11-14
PopularityNot in the ranked set
ReasoningMandatory

Pricing (per million tokens)

VariantSourceAPI IDInputOutputContext
standardOpenRouteropenai/gpt-5$1.25$10.00400K
batchOpenRouteropenai/gpt-5:batch$0.625$5.00400K
standardTrustedRouteropenai/gpt-5$1.32$10.55400K
standardVercel AI Gatewayopenai/gpt-5$1.25$10.00400K
fastVercel AI Gatewayopenai/gpt-5:fast$2.50$20.00400K
batchVercel AI Gatewayopenai/gpt-5:batch$0.625$5.00400K
standardCloudflareopenai/gpt-5$1.25$10.00—

Recorded price history

DateInput / 1MOutput / 1MContext
2026-11-14$1.25$10.00—
2026-11-14$1.25$10.00400K
2026-11-14$1.32$10.55400K
2026-11-14$1.25$10.00400K

Capabilities

Vision (image input)File inputAgentic tool useStructured outputsReasoning (always on)256K+ 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