AI Tools Review

OpenAI: GPT-5.1

By Openai

Released: 2025-11-13

API
LLM
RAG
Openai
Paid
New

OpenAI GPT 5 1, developed by OpenAI, features 400k-token context window. GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning to allocate computation dynamically, responding quickly to simple queries while spending more depth on complex tasks. The model produces clearer, more grounded explanations with reduced jargon, making it easier to follow even on technical or multi-step problems. Built for broad task coverage, GPT-5.1 delivers consistent gains across math, coding, and structured analysis workloads, with more coherent long-form answers and improved tool-use reliability. It also features refined conversational alignment, enabling warmer, more intuitive responses without compromising precision. GPT-5.1 serves as the primary full-capability successor to GPT-5 Premium pricing at $1.25/1M tokens reflects its advanced capabilities.

Visit OpenAI: GPT-5.1

AI-Powered

Leverages advanced AI technology to deliver cutting-edge capabilities and results.

Fast & Efficient

Optimized performance ensures quick results without compromising on quality.

Purpose-Built

Specifically designed for llms tasks and workflows.

Openai Model Timeline

OpenAI: GPT Audio

128k tokens context

OpenAI: GPT Audio Mini

128k tokens context

OpenAI: GPT-5.2-Codex

400k tokens context

OpenAI: GPT-5.2 Chat

128k tokens context

OpenAI: GPT-5.2 Pro

400k tokens context

OpenAI: GPT-5.2

400k tokens context

OpenAI: GPT-5.1-Codex-Max

400k tokens context

OpenAI: GPT-5.1Current

400k tokens context

OpenAI: GPT-5.1 Chat

128k tokens context

OpenAI: GPT-5.1-Codex

400k tokens context

OpenAI: GPT-5.1-Codex-Mini

400k tokens context

OpenAI: gpt-oss-safeguard-20b

131k tokens context

OpenAI: GPT-5 Image Mini

400k tokens context

OpenAI: GPT-5 Image

400k tokens context

OpenAI: o3 Deep Research

200k tokens context

OpenAI: o4 Mini Deep Research

200k tokens context

OpenAI: GPT-5 Pro

400k tokens context

OpenAI: GPT-5 Codex

400k tokens context

OpenAI: GPT-4o Audio

128k tokens context

OpenAI: GPT-5 Chat

128k tokens context

OpenAI: GPT-5

400k tokens context

OpenAI: GPT-5 Mini

400k tokens context

OpenAI: GPT-5 Nano

400k tokens context

OpenAI: gpt-oss-120b (free)

131k tokens context

OpenAI: gpt-oss-120b

131k tokens context

OpenAI: gpt-oss-120b (exacto)

131k tokens context

OpenAI: gpt-oss-20b (free)

131k tokens context

OpenAI: gpt-oss-20b

131k tokens context

OpenAI: o3 Pro

200k tokens context

OpenAI: o4 Mini High

200k tokens context

OpenAI: o3

200k tokens context

OpenAI: o4 Mini

200k tokens context

OpenAI: GPT-4.1

1,048k tokens context

OpenAI: GPT-4.1 Mini

1,048k tokens context

OpenAI: GPT-4.1 Nano

1,048k tokens context

OpenAI: o1-pro

200k tokens context

OpenAI: GPT-4o-mini Search Preview

128k tokens context

OpenAI: GPT-4o Search Preview

128k tokens context

OpenAI: o3 Mini High

200k tokens context

OpenAI: o3 Mini

200k tokens context

OpenAI: o1

200k tokens context

OpenAI: GPT-4o (2024-11-20)

128k tokens context

OpenAI: ChatGPT-4o

128k tokens context

OpenAI: GPT-4o (2024-08-06)

128k tokens context

OpenAI: GPT-4o-mini (2024-07-18)

128k tokens context

OpenAI: GPT-4o-mini

128k tokens context

OpenAI: GPT-4o (2024-05-13)

128k tokens context

OpenAI: GPT-4o

128k tokens context

OpenAI: GPT-4o (extended)

128k tokens context

OpenAI: GPT-4 Turbo

128k tokens context

OpenAI: GPT-3.5 Turbo (older v0613)

4k tokens context

OpenAI: GPT-4 Turbo Preview

128k tokens context

OpenAI: GPT-4 Turbo (older v1106)

128k tokens context

OpenAI: GPT-3.5 Turbo Instruct

4k tokens context

OpenAI: GPT-3.5 Turbo 16k

16k tokens context

OpenAI: GPT-4 (older v0314)

8k tokens context

OpenAI: GPT-4

8k tokens context

OpenAI: GPT-3.5 Turbo

16k tokens context

Specifications

pricing$1.25 / $10.00 (per 1M)
context Window400k tokens

AI Evaluation

4.8
Expert Rating
Text4.9/5
Coding3.5/5

A premium coding model delivering professional-grade software engineering assistance. Strong on complex projects, debugging, and code architecture.

Pros

  • 400k token context window
  • Strong code generation and debugging
  • Advanced logical reasoning
  • Native function calling

Cons

  • Moderate API costs
  • May lack creative flair