AI Models · Paid vs Paid

GPT-5.2 Chat Paid vs GPT-3.5 Turbo Instruct Paid

GPT-5.2 Chat vs GPT-3.5 Turbo Instruct compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

GPT-5.2 ChatPaidOpenAI
$1.75 /M input
$14 /M outputManaged API (no infra to run)
TypeProprietary
Context window128K tokens
MultimodalYes
Self-hostNo
GPT-3.5 Turbo InstructPaidOpenAI
$1.5 /M input
$2 /M outputManaged API (no infra to run)
TypeProprietary
Context window4K tokens
MultimodalNo
Self-hostNo
Choose GPT-3.5 Turbo Instruct for the lower output price ($2/M vs $14/M). Choose GPT-5.2 Chat if you need the larger 128K context window.

GPT-5.2 Chat vs GPT-3.5 Turbo Instruct specs

SpecGPT-5.2 ChatGPT-3.5 Turbo InstructWinner
MakerOpenAIOpenAI
TypeProprietaryProprietary
Context window128K tokens4K tokensGPT-5.2 Chat
Input price$1.75/M$1.5/MGPT-3.5 Turbo Instruct
Output price$14/M$2/MGPT-3.5 Turbo Instruct
Vision / multimodalYesNoGPT-5.2 Chat
Tool / function callingYesNoGPT-5.2 Chat
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

7.0×cheaper per output token

GPT-3.5 Turbo Instruct is ~7.0× cheaper than GPT-5.2 Chat on output tokens ($2 vs $14 per M tokens).

Choose GPT-5.2 Chat if…
  • You want frontier performance through a managed API
  • You need the longer 128K context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
Choose GPT-3.5 Turbo Instruct if…
  • You want frontier performance through a managed API
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityGPT-5.2 ChatGPT-3.5 Turbo Instruct
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-5.2 Chat vs GPT-3.5 Turbo Instruct

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

GPT-3.5 Turbo Instruct delivers 2.1× more intelligence per dollar.
GPT-5.2 Chat
GPT-3.5 Turbo Instruct
Intelligence index
17
5.5
Math index
51
GPQA
71.2%
29.7%
MMLU-Pro
81.4%
46.2%
Humanity's Last Exam
8%
Long Context Reasoning
45.7%
LiveCodeBench
66.9%
AIME 2025
51%
IFBench
47.4%
τ²-Bench
46.5%
τ-Bench Banking
11.1%
Terminal-Bench Hard
31.8%
Coding index
10.7
MATH-500
44.1%
Speed
0 tok/s
0 tok/s
Latency
0s
0s
Intelligence per $
3.5
7.3

Benchmark data by Artificial Analysis.

How GPT-5.2 Chat and GPT-3.5 Turbo Instruct score

🏆 Best value & openness: GPT-5.2 Chat (2.9 vs 2.2 / 5)
CriterionGPT-5.2 ChatGPT-3.5 Turbo Instruct
Cost-efficiency3.54.5
Context window3.52.0
Openness1.51.5
Self-hosting1.01.0
Multimodality5.02.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

GPT-5.2 Chat Paid

OpenAI · Proprietary

GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...

GPT-3.5 Turbo Instruct Paid

OpenAI · Proprietary

This model is a variant of GPT-3.5 Turbo tuned for instructional prompts and omitting chat-related optimizations. Training data: up to Sep 2021.

Frequently asked questions

GPT-5.2 Chat vs GPT-3.5 Turbo Instruct — which is cheaper?

GPT-3.5 Turbo Instruct is cheaper on output ($2/M vs $14/M).

Which has the larger context window?

GPT-5.2 Chat offers the larger context window (128K tokens).

GPT-5.2 Chat vs GPT-3.5 Turbo Instruct — which should I pick in 2026?

Choose GPT-3.5 Turbo Instruct for the lower output price ($2/M vs $14/M). Choose GPT-5.2 Chat if you need the larger 128K context window.

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