AI Release Timeline

GPT-5 launched by OpenAI. OpenAI flagship GPT-5 generation for general and agentic workloads.

API endpoint `gpt-5` available for GPT-5.

Initial pricing set at $5.00/M input and $20.00/M output tokens.

GPT-5 adds native vision and image understanding capabilities.

GPT-5 supports audio input and multimodal voice workflows.

GPT-5 supports function calling and structured tool use.

GPT-5 introduces extended reasoning and chain-of-thought capabilities.

GPT-5 achieves 96/100 reasoning benchmark score — top-tier performance.

GPT-5 Mini launched by OpenAI. Cost-efficient GPT-5 family model for high-volume production.

API endpoint `gpt-5-mini` available for GPT-5 Mini.

Initial pricing set at $0.40/M input and $1.60/M output tokens.

GPT-5 Mini adds native vision and image understanding capabilities.

GPT-5 Mini supports function calling and structured tool use.

GPT-5 Mini introduces extended reasoning and chain-of-thought capabilities.

OpenAI o4 Mini launched by OpenAI. Latest compact reasoning model with vision support.

API endpoint `o4-mini` available for OpenAI o4 Mini.

Initial pricing set at $1.10/M input and $4.40/M output tokens.

OpenAI o4 Mini adds native vision and image understanding capabilities.

OpenAI o4 Mini supports function calling and structured tool use.

OpenAI o4 Mini introduces extended reasoning and chain-of-thought capabilities.

OpenAI o4 Mini achieves 93/100 reasoning benchmark score — top-tier performance.

OpenAI o3 launched by OpenAI. Full o3 reasoning model with vision and tool use.

API endpoint `o3` available for OpenAI o3.

Initial pricing set at $10.00/M input and $40.00/M output tokens.

OpenAI o3 supports function calling and structured tool use.

OpenAI o3 introduces extended reasoning and chain-of-thought capabilities.

OpenAI o3 achieves 97/100 reasoning benchmark score — top-tier performance.

GPT-4.1 launched by OpenAI. Next-gen GPT with 1M context and improved instruction following.

API endpoint `gpt-4.1` available for GPT-4.1.

Initial pricing set at $2.00/M input and $8.00/M output tokens.

GPT-4.1 ships with 1M token context window.

GPT-4.1 adds native vision and image understanding capabilities.

GPT-4.1 supports audio input and multimodal voice workflows.

GPT-4.1 supports function calling and structured tool use.

GPT-4.1 achieves 94/100 coding benchmark score — top-tier performance.

GPT-4.1 Mini launched by OpenAI. Mini variant of GPT-4.1 for scalable deployments.

API endpoint `gpt-4.1-mini` available for GPT-4.1 Mini.

Initial pricing set at $0.40/M input and $1.60/M output tokens.

GPT-4.1 Mini ships with 1M token context window.

GPT-4.1 Mini adds native vision and image understanding capabilities.

GPT-4.1 Mini supports audio input and multimodal voice workflows.

GPT-4.1 Mini supports function calling and structured tool use.

GPT-4.1 Nano launched by OpenAI. Ultra-low-cost GPT-4.1 tier for classification and extraction.

API endpoint `gpt-4.1-nano` available for GPT-4.1 Nano.

Initial pricing set at $0.10/M input and $0.40/M output tokens.

GPT-4.1 Nano ships with 1M token context window.

GPT-4.1 Nano adds native vision and image understanding capabilities.

GPT-4.1 Nano supports function calling and structured tool use.

OpenAI o3 Mini launched by OpenAI. Efficient reasoning model in the o3 family.

API endpoint `o3-mini` available for OpenAI o3 Mini.

Initial pricing set at $1.10/M input and $4.40/M output tokens.

OpenAI o3 Mini supports function calling and structured tool use.

OpenAI o3 Mini introduces extended reasoning and chain-of-thought capabilities.

OpenAI o1 launched by OpenAI. Reasoning model using internal chain-of-thought.

API endpoint `o1` available for OpenAI o1.

Initial pricing set at $15.00/M input and $60.00/M output tokens.

OpenAI o1 supports function calling and structured tool use.

OpenAI o1 introduces extended reasoning and chain-of-thought capabilities.

OpenAI o1 achieves 96/100 reasoning benchmark score — top-tier performance.

GPT-4o Mini launched by OpenAI. Cost-efficient small model for high-volume applications.

API endpoint `gpt-4o-mini` available for GPT-4o Mini.

Initial pricing set at $0.15/M input and $0.60/M output tokens.

GPT-4o Mini adds native vision and image understanding capabilities.

GPT-4o Mini supports function calling and structured tool use.

GPT-4o launched by OpenAI. Flagship multimodal model balancing speed, intelligence, and cost.

API endpoint `gpt-4o` available for GPT-4o.

Initial pricing set at $2.50/M input and $10.00/M output tokens.

GPT-4o adds native vision and image understanding capabilities.

GPT-4o supports audio input and multimodal voice workflows.

GPT-4o supports function calling and structured tool use.

GPT-4o achieves 95/100 multimodal benchmark score — top-tier performance.