| Signal | GPT-5.3-Codex | Delta | Inflection 3 Pi |
|---|---|---|---|
Capabilities | 100 | +83 | |
Pricing | 14 | +4 | |
Context window size | 89 | +27 | |
Recency | 100 | +63 | |
Output Capacity | 85 | +35 | |
| Overall Result | 5 wins | of 5 | 0 wins |
30
days ranked higher
0
days
0
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OpenAI
Inflection
Inflection 3 Pi saves you $125.00/month
That's $1500.00/year compared to GPT-5.3-Codex at your current usage level of 100K calls/month.
| Metric | GPT-5.3-Codex | Inflection 3 Pi | Winner |
|---|---|---|---|
| Overall Score | 85 | 37 | GPT-5.3-Codex |
| Rank | #29 | #296 | GPT-5.3-Codex |
| Quality Rank | #29 | #296 | GPT-5.3-Codex |
| Adoption Rank | #29 | #296 | GPT-5.3-Codex |
| Parameters | -- | -- | -- |
| Context Window | 400K | 8K | GPT-5.3-Codex |
| Pricing | $1.75/$14.00/M | $2.50/$10.00/M | -- |
| Signal Scores | |||
| Capabilities | 100 | 17 | GPT-5.3-Codex |
| Pricing | 14 | 10 | GPT-5.3-Codex |
| Context window size | 89 | 62 | GPT-5.3-Codex |
| Recency | 100 | 37 | GPT-5.3-Codex |
| Output Capacity | 85 | 50 | GPT-5.3-Codex |
Our composite score (0–100) combines six weighted signals: benchmark performance (25%), pricing efficiency (25%), context window size (15%), model recency (15%), output capacity (10%), and capability versatility (10%). Here's what the scores mean for these two models:
Scores 85/100 (rank #29), placing it in the top 90% of all 290 models tracked.
Scores 37/100 (rank #296), placing it in the top -2% of all 290 models tracked.
GPT-5.3-Codex has a 48-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.
GPT-5.3-Codex offers 21% better value per quality point. At 1M tokens/day, you'd spend $187.50/month with Inflection 3 Pi vs $236.25/month with GPT-5.3-Codex - a $48.75 monthly difference.
Both models have comparable response speeds. For most applications, the latency difference is negligible.
When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.
Code generation & review
Higher benchmark score (0/100) indicates stronger performance on coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Faster response time (speed score 0/100) is critical for user-facing chat. Inflection 3 Pi also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (400K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($10.00/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (85/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
GPT-5.3-Codex clearly outperforms Inflection 3 Pi with a significant 48.2-point lead. For most general use cases, GPT-5.3-Codex is the stronger choice. However, Inflection 3 Pi may still excel in niche scenarios.
Best for Quality
GPT-5.3-Codex
Marginally better benchmark scores; both are excellent
Best for Cost
Inflection 3 Pi
21% lower pricing; better value at scale
Best for Reliability
GPT-5.3-Codex
Higher uptime and faster response speeds
Best for Prototyping
GPT-5.3-Codex
Stronger community support and better developer experience
Best for Production
GPT-5.3-Codex
Wider enterprise adoption and proven at scale
by OpenAI
| Capability | GPT-5.3-Codex | Inflection 3 Pi |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Callingdiffers | ||
| Streaming | ||
| JSON Modediffers | ||
| Reasoningdiffers | ||
| Web Searchdiffers | ||
| Image Output |
OpenAI
Inflection
Inflection 3 Pi saves you $3.45/month
That's 17% cheaper than GPT-5.3-Codex at 1,000 tokens/request and 100 requests/day.
Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.
| Parameter | GPT-5.3-Codex | Inflection 3 Pi |
|---|---|---|
| Context Window | 400K | 8K |
| Max Output Tokens | 128,000 | 1,024 |
| Open Source | No | No |
| Created | Feb 24, 2026 | Oct 11, 2024 |
GPT-5.3-Codex scores 85/100 (rank #29) compared to Inflection 3 Pi's 37/100 (rank #296), giving it a 48-point advantage. GPT-5.3-Codex is the stronger overall choice, though Inflection 3 Pi may excel in specific areas like cost efficiency.
GPT-5.3-Codex is ranked #29 and Inflection 3 Pi is ranked #296 out of 290+ AI models. Rankings use a composite score combining benchmark performance (25%), pricing (25%), context window (15%), recency (15%), output capacity (10%), and versatility (10%). Scores update hourly.
Inflection 3 Pi is cheaper at $10.00/M output tokens vs GPT-5.3-Codex's $14.00/M output tokens - 1.4x more expensive. Input token pricing: GPT-5.3-Codex at $1.75/M vs Inflection 3 Pi at $2.50/M.
GPT-5.3-Codex has a larger context window of 400,000 tokens compared to Inflection 3 Pi's 8,000 tokens. A larger context window means the model can process longer documents and conversations.