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GPT 5 API pricing, benchmarks and specs | AshnaAI

OpenAI

GPT 5

GPT 5 is openai's general-purpose language and agent model with a 128,000-token context window, vision and tool calling, and API streaming support.

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Model details

Model ID: gpt-5
Provider: OpenAI
Modality: Text generation
Context window: 128,000 tokens
Input → output: Text / image → text
Released: Aug 7, 2025
Available on AshnaAI: Oct 3, 2026

Where this model fits

Best capabilities

Multi-step reasoning and complex instruction following
Tool calling and agent workflows
Image and document understanding
Web-connected research tasks

Best for

Complex analysis, planning, research, and high-stakes knowledge work
Tasks where response quality matters more than minimum latency
Agents that need to call APIs or execute multi-step workflows

Not ideal for

Ultra-low-cost, latency-sensitive, high-volume classification
Very large documents that exceed its context window

Benchmarks

No comparable, source-verified benchmark has been published for this catalog entry yet.

Pricing (USD)

Limited-time 30% discount

Input / 1M tokens: $1.51$1.05
Output / 1M tokens: $12.05$8.43
Cached input / 1M: $0.151$0.105
Cache write / 1M: —

Capabilities

reasoningSupported
toolsSupported
visionSupported
web searchSupported
filesSupported

Available regions

US East (N. Virginia)

us-east-1

Europe (Frankfurt)

eu-central-1

Asia Pacific (Mumbai)

ap-south-1

Multi-region and provider failover: Active

Requests automatically switch to another region or provider if one becomes unavailable.