GPT-5.2 Codex vs Inkling 2 Small
Inkling 2 Small leads the LLM Stats Score 47.1 to 33.7. Inkling 2 Small is 10.1x cheaper per token.
OpenAI · Thinking Machines Lab · Updated for 2026
Which is better?
Inkling 2 Small leads the overall LLM Stats Score 47.1 to 33.7, ranking #41 overall.
On price, Inkling 2 Small is roughly 10.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-5.2 Codex also accepts a larger context window (400,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-5.2 Codex
- you process long inputs — it offers a 400,000 token context window
Choose Inkling 2 Small
- overall performance matters — it scores 47.1 and ranks #41 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- cost matters — it's about 10.1x cheaper per token
- you want the most recent training data — it shipped Nov 2026
At a glance
The differences that matter most.
Individual benchmarks
3 reported for GPT-5.2 Codex · 11 for Inkling 2 Small
GPT-5.2 Codex and Inkling 2 Smalldon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.2 Codex ($1.75/1M tokens) is 5.8x more expensive than Inkling 2 Small ($0.30/1M tokens).
For output processing, GPT-5.2 Codex ($14.00/1M tokens) is 14.0x more expensive than Inkling 2 Small ($1.00/1M tokens).
In conclusion, GPT-5.2 Codex is more expensive than Inkling 2 Small.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.2 Codex accepts 400,000 input tokens compared to Inkling 2 Small's 256,000 tokens. Only GPT-5.2 Codex specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
Both GPT-5.2 Codex and Inkling 2 Small support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-5.2 Codex
Inkling 2 Small
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-5.2 Codex was released on 2026-01-14, while Inkling 2 Small was released on 2026-11-05.
Inkling 2 Small is 10 months newer than GPT-5.2 Codex.
Jan 14, 2026
10 months ago
Nov 5, 2026
5 days ago
9mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GPT-5.2 Codex is available from OpenAI. Inkling 2 Small is available from Thinking Machines Lab.
GPT-5.2 Codex
Inkling 2 Small
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5.2 Codex and Inkling 2 Small side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5.2 Codex vs Inkling 2 Small.