How do GPT-5.3 and GPT-3.5 compare in AI?

GPT-5.3 and GPT-3.5 are competitors in the AI industry with 2 shared article mentions.

What is the difference between GPT-5.3 and GPT-3.5?

GPT-5.3 has 39 news mentions while GPT-3.5 has 14. They are connected through 1 relationship types in the AI industry knowledge graph.

Which is better, GPT-5.3 or GPT-3.5?

Based on 2 analyzed articles, GPT-5.3 has more industry coverage (39 mentions vs 14). Both are significant players in the AI space. See the detailed analysis below.

What are the key differences between GPT-5.3 and GPT-3.5 in 2026?

In 2026, GPT-5.3 and GPT-3.5 compete across 1 dimensions. Both are shaping the AI landscape with distinct approaches.

GPT-5.3 vs GPT-3.5 — AI Comparison 2026

GPT-5.3

→ stableNeutral

competes with (1)

GPT-3.5

→ stablePositive

Coverage (30d)

18vs13

This Week

3vs5

Evidence

2 articles

Relationships

Timeline

GPT-3.52026-04-24

Early user review of GPT-5.5 in Codex highlights major improvements

GPT-3.52026-04-23

GPT-5.5 model family achieves leading position on Artificial Analysis Index for cost-performance

GPT-3.52026-04-23

GPT-5.5 spotted via Codex API backdoor, suggesting unofficial release channel for image generation.

GPT-3.52026-04-23

OpenAI engineer reveals GPT-5.5 is a Blackwell-native model trained on Nvidia GB200/GB300 NVL72 systems.

GPT-3.52026-04-23

Ethan Mollick announces early access to GPT-5.5, praises the Pro version, full writeup forthcoming.

GPT-3.52026-04-23

OpenAI announces GPT-5.5 as a new intelligence tier for agents and tool use

GPT-5.32026-04-18

Achieved 78.5% score on SWE-Bench coding benchmark

GPT-5.32026-04-16

Observed autonomously optimizing an embedding model for Qualcomm NPU for three hours.

GPT-5.32026-03-26

Achieved 100% resident identification accuracy in a safety evaluation for a care home smart speaker system.

GPT-5.32026-03-07

Released as OpenAI's most capable frontier model with unified coding, reasoning, and computer operation capabilities

Ecosystem

GPT-5.3

developedOpenAI5 src

developed byOpenAI3 src

usesRetrieval-Augmented Generation1 src

competes withClaude Sonnet 4.61 src

competes withGemini 3 Flash1 src

competes withClaude AI1 src

GPT-3.5

competes withGemini 3 Pro2 src

competes withClaude 3.5 Opus1 src

competes withMicrosoft Excel1 src

competes withClaude Opus 4.71 src

competes withGPT-5.31 src

competes withArtificial Analysis1 src

Benchmarks

gpqa

GPT-5.392

GPT-3.5—

swe bench pro

GPT-5.356.8

GPT-3.5—

Evidence (2 articles)

GPT-5.5 Tops Benchmarks, Costs 2x API Price, Still Hallucinates

Apr 25, 2026

GPT-5.5 Launches: The Super App Strategy, Not the Model

Apr 28, 2026