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openaiReleased 21 days ago
Requires Responses API for tools; offers Ultrafast inference with US or EU data residency.
1.1M contextImage inputTool calling
$1.00in$5.00out/ 1M tokens · USDOpenAI · via OpenRouter · 4 endpointsopenai/flex · tier=flex · prompt ≤ 272000 tokens openaiReleased 28 days ago
Can turn reasoning off for high-volume requests; Chat Completions tool calls require reasoning_effort=none.
1.1M contextImage inputTool calling
$0.10in$0.50out/ 1M tokens · USDOpenAI · via OpenRouter · 3 endpointsopenai · prompt ≤ 272000 tokens openaiReleased Sep 8
General-purpose GPT Image 2.5 tier with transparent output, custom dimensions and five explicit quality levels.
400K contextImage inputStructured output
openaiReleased Sep 8
Trades longer generation time for intricate detail; supports transparent backgrounds and quality levels through max.
400K contextImage inputStructured output
openaiReleased Sep 3
Accepts mid-turn steering and async tool calls, so agents can take new instructions while other tools are still running.
1.1M contextImage inputTool calling
$5.00in$25.00out/ 1M tokens · USDOpenAI · via OpenRouter · 4 endpointsopenai/flex · tier=flex · prompt ≤ 272000 tokens openaiReleased Apr 21
OpenAI's latest image generation model. Supports high-fidelity image generation and editing via the dedicated Images API.
400K contextImage inputStructured output