Latest flagship model with reasoning, vision, and enhanced capabilities.
OffRail routes requests to the best providers that are able to handle your prompt size and parameters.
Latest flagship model with reasoning, vision, and enhanced capabilities. You can access it through OffRail's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.
Pricing for GPT-5 on OffRail starts at $1.25 per million input tokens and $10.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.
GPT-5 supports a context window of up to 400,000 tokens on its largest provider deployment.
GPT-5 is served by OpenAI, Azure through OffRail. Requests are automatically routed to the best available provider, with fallback when a provider has issues.
Yes. GPT-5 supports both tool (function) calling and strict JSON output schema (upstream-enforced) through OffRail.
GPT-5 was released on August 1, 2025.
GPT-5.6 Sol
1,050,000 context$5.00 in / $30.00 out per 1M
GPT-5.6 Terra
1,050,000 context$2.00 in / $12.00 out per 1M
GPT-5.6 Luna
1,050,000 context$0.20 in / $1.20 out per 1M
GPT Realtime 2.1
128,000 context$4.00 in / $24.00 out per 1M
GPT Realtime 2.1 Mini
128,000 context$0.60 in / $2.40 out per 1M
GPT-5.5
1,050,000 context$5.00 in / $30.00 out per 1M