O
OpenAI o4 Mini
Model Release
OpenAI
OpenAI o4 Mini launched by OpenAI. Latest compact reasoning model with vision support.
AI Release Timeline
Track model launches, capability updates, pricing changes, and benchmark milestones across the AI industry.
2025
O
OpenAI o4 Mini
API Release
OpenAI
API endpoint `o4-mini` available for OpenAI o4 Mini.
O
OpenAI o4 Mini
Pricing Update
OpenAI
Initial pricing set at $1.10/M input and $4.40/M output tokens.
O
OpenAI o4 Mini
Vision Support
OpenAI
OpenAI o4 Mini adds native vision and image understanding capabilities.
O
OpenAI o4 Mini
Function Calling
OpenAI
OpenAI o4 Mini supports function calling and structured tool use.
O
OpenAI o4 Mini
Reasoning Model
OpenAI
OpenAI o4 Mini introduces extended reasoning and chain-of-thought capabilities.
O
OpenAI o4 Mini
Benchmark Milestone
OpenAI
OpenAI o4 Mini achieves 93/100 reasoning benchmark score — top-tier performance.
O
OpenAI o3
Model Release
OpenAI
OpenAI o3 launched by OpenAI. Full o3 reasoning model with vision and tool use.
O
OpenAI o3
API Release
OpenAI
API endpoint `o3` available for OpenAI o3.
O
OpenAI o3
Pricing Update
OpenAI
Initial pricing set at $10.00/M input and $40.00/M output tokens.
O
OpenAI o3
Function Calling
OpenAI
OpenAI o3 supports function calling and structured tool use.
O
OpenAI o3
Reasoning Model
OpenAI
OpenAI o3 introduces extended reasoning and chain-of-thought capabilities.
O
OpenAI o3
Benchmark Milestone
OpenAI
OpenAI o3 achieves 97/100 reasoning benchmark score — top-tier performance.
O
GPT-4.1
Model Release
OpenAI
GPT-4.1 launched by OpenAI. Next-gen GPT with 1M context and improved instruction following.
O
GPT-4.1
API Release
OpenAI
API endpoint `gpt-4.1` available for GPT-4.1.
O
GPT-4.1
Pricing Update
OpenAI
Initial pricing set at $2.00/M input and $8.00/M output tokens.
O
GPT-4.1
Context Window Increase
OpenAI
GPT-4.1 ships with 1M token context window.
O
GPT-4.1
Vision Support
OpenAI
GPT-4.1 adds native vision and image understanding capabilities.
O
GPT-4.1
Audio Support
OpenAI
GPT-4.1 supports audio input and multimodal voice workflows.
O
GPT-4.1
Function Calling
OpenAI
GPT-4.1 supports function calling and structured tool use.
O
GPT-4.1
Benchmark Milestone
OpenAI
GPT-4.1 achieves 94/100 coding benchmark score — top-tier performance.
O
GPT-4.1 Mini
Model Release
OpenAI
GPT-4.1 Mini launched by OpenAI. Mini variant of GPT-4.1 for scalable deployments.
O
GPT-4.1 Mini
API Release
OpenAI
API endpoint `gpt-4.1-mini` available for GPT-4.1 Mini.
O
GPT-4.1 Mini
Pricing Update
OpenAI
Initial pricing set at $0.40/M input and $1.60/M output tokens.
O
GPT-4.1 Mini
Context Window Increase
OpenAI
GPT-4.1 Mini ships with 1M token context window.
O
GPT-4.1 Mini
Vision Support
OpenAI
GPT-4.1 Mini adds native vision and image understanding capabilities.
O
GPT-4.1 Mini
Audio Support
OpenAI
GPT-4.1 Mini supports audio input and multimodal voice workflows.
O
GPT-4.1 Mini
Function Calling
OpenAI
GPT-4.1 Mini supports function calling and structured tool use.
O
GPT-4.1 Nano
Model Release
OpenAI
GPT-4.1 Nano launched by OpenAI. Ultra-low-cost GPT-4.1 tier for classification and extraction.
O
GPT-4.1 Nano
API Release
OpenAI
API endpoint `gpt-4.1-nano` available for GPT-4.1 Nano.
O
GPT-4.1 Nano
Pricing Update
OpenAI
Initial pricing set at $0.10/M input and $0.40/M output tokens.
O
GPT-4.1 Nano
Context Window Increase
OpenAI
GPT-4.1 Nano ships with 1M token context window.
O
GPT-4.1 Nano
Vision Support
OpenAI
GPT-4.1 Nano adds native vision and image understanding capabilities.
O
GPT-4.1 Nano
Function Calling
OpenAI
GPT-4.1 Nano supports function calling and structured tool use.
O
OpenAI o3 Mini
Model Release
OpenAI
OpenAI o3 Mini launched by OpenAI. Efficient reasoning model in the o3 family.
O
OpenAI o3 Mini
API Release
OpenAI
API endpoint `o3-mini` available for OpenAI o3 Mini.
O
OpenAI o3 Mini
Pricing Update
OpenAI
Initial pricing set at $1.10/M input and $4.40/M output tokens.
O
OpenAI o3 Mini
Function Calling
OpenAI
OpenAI o3 Mini supports function calling and structured tool use.
O
OpenAI o3 Mini
Reasoning Model
OpenAI
OpenAI o3 Mini introduces extended reasoning and chain-of-thought capabilities.