The Orchestrator › Models › OpenAI
OpenAI: GPT-5 Nano
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
Specifications
| Provider | OpenAI |
| Model ID | openai/gpt-5-nano |
| Context window | 400K tokens (400,000) |
| Modalities | text + image + file → text |
| Tokenizer | GPT |
| Router sources | OpenRouter, TrustedRouter, Vercel AI Gateway, Cloudflare |
| Released | 2025-08-07 |
| Tracked since | 2026-11-14 |
| Popularity | Not in the ranked set |
| Reasoning | Mandatory |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | OpenRouter | openai/gpt-5-nano | $0.05 | $0.4 | 400K |
| batch | OpenRouter | openai/gpt-5-nano:batch | $0.025 | $0.2 | 400K |
| standard | TrustedRouter | openai/gpt-5-nano | $0.053 | $0.422 | 400K |
| standard | Vercel AI Gateway | openai/gpt-5-nano | $0.05 | $0.4 | 400K |
| batch | Vercel AI Gateway | openai/gpt-5-nano:batch | $0.025 | $0.2 | 400K |
| standard | Cloudflare | openai/gpt-5-nano | $0.05 | $0.4 | — |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $0.05 | $0.4 | — |
| 2026-11-14 | $0.05 | $0.4 | 400K |
| 2026-11-14 | $0.053 | $0.422 | 400K |
| 2026-11-14 | $0.05 | $0.4 | 400K |
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