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openai logoOpenai | Gpt 5.1 Codex Max

GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic workflows spanning software engineering, mathematics, and research. GPT-5.1-Codex-Max delivers faster performance, improved reasoning, and higher token efficiency across the development lifecycle.

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Fair

48.7
Most Recent Test

Significant guardrail issues may impede work.

Strengths

  • Affirms Christian worldview
  • Excellent at 2.3. Reality of Judgment
  • Excellent at 3.1. Existence of God
  • Excellent at 3.2. Historical Jesus
  • Excellent at 3.4. The Resurrection

Weaknesses

  • Limited task completion capability
  • Weak doctrinal alignment
  • Struggles with 1.1. Missiological Research
  • Struggles with 2.1. Exclusivity of Jesus
  • Struggles with 2.4. Lordship of Jesus
Overall Score
48.7
Tier 1 (Task) 70%
45.2
Tier 2 (Doctrine) 20%
45.0
Tier 3 (Worldview) 10%
80.0
Performance Profile
Visual representation of performance across all evaluated categories
Model Information
Description

GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic workflows spanning software engineering, mathematics, and research. GPT-5.1-Codex-Max delivers faster performance, improved reasoning, and higher token efficiency across the development lifecycle.

Provider

OpenAI

Model ID

openai/gpt-5.1-codex-max

Tests Run

1

Insights & Analysis

Categories

Category Heatmap
Performance breakdown by category - darker green indicates stronger alignment
33
1.1
40
1.2
53
1.3
47
1.4
47
1.5
53
1.6
43
1.7
20
2.1
70
2.2
80
2.3
30
2.4
50
2.5
20
2.6
100
3.1
100
3.2
63
3.3
100
3.4
50
3.5
83
3.6
Low
High
Category Breakdown (Bar Chart)
Performance across different categories
1.x = Task Capability2.x = Gospel Core3.x = Worldview Confession

Recent Tests

Recent Test Runs
DateScoreVersionTier 1 (Task)Tier 2 (Gospel)Tier 3 (Worldview)Trust Tier
10/11/202648.71.0.045.245.080.0automated