AI Models · Paid vs Paid

GPT-5.2 Chat Paid vs Claude Haiku 4.5 Paid

GPT-5.2 Chat vs Claude Haiku 4.5 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
Claude Haiku 4.5PaidAnthropic
$1 /M input
$5 /M outputManaged API (no infra to run)
TypeProprietary
Context window200K tokens
MultimodalYes
Self-hostNo
Choose Claude Haiku 4.5 for the lower output price ($5/M vs $14/M). It also gives you the larger 200K context window.

GPT-5.2 Chat vs Claude Haiku 4.5 specs

SpecGPT-5.2 ChatClaude Haiku 4.5Winner
MakerOpenAIAnthropic
TypeProprietaryProprietary
Context window128K tokens200K tokensClaude Haiku 4.5
Input price$1.75/M$1/MClaude Haiku 4.5
Output price$14/M$5/MClaude Haiku 4.5
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

2.8×cheaper per output token

Claude Haiku 4.5 is ~2.8× cheaper than GPT-5.2 Chat on output tokens ($5 vs $14 per M tokens).

Choose GPT-5.2 Chat if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
Choose Claude Haiku 4.5 if…
  • You want frontier performance through a managed API
  • You need the longer 200K context window
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityGPT-5.2 ChatClaude Haiku 4.5
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-5.2 Chat vs Claude Haiku 4.5

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

Claude Haiku 4.5 delivers 2.5× more intelligence per dollar.
GPT-5.2 Chat
Claude Haiku 4.5
Intelligence index
17
17.6
Math index
51
83.7
GPQA
71.2%
67.2%
MMLU-Pro
81.4%
76%
Humanity's Last Exam
8%
10.4%
Long Context Reasoning
45.7%
74.3%
LiveCodeBench
66.9%
61.5%
AIME 2025
51%
83.7%
IFBench
47.4%
54.3%
τ²-Bench
46.5%
54.7%
τ-Bench Banking
11.1%
9.3%
Terminal-Bench Hard
31.8%
27.3%
Coding index
43.9
SciCode
42.2%
Terminal-Bench
44.2%
Speed
0 tok/s
105.5 tok/s
Latency
0s
12.43s
Intelligence per $
3.5
8.8

Benchmark data by Artificial Analysis.

How GPT-5.2 Chat and Claude Haiku 4.5 score

🤝 Neck and neck on these criteria (2.9 vs 3.1 / 5).
CriterionGPT-5.2 ChatClaude Haiku 4.5
Cost-efficiency3.54.0
Context window3.54.0
Openness1.51.5
Self-hosting1.01.0
Multimodality5.05.0

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...

Claude Haiku 4.5 Paid

Anthropic · Proprietary

Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
Claude Haiku 4.5 (batch)Claude 3 Haiku

Frequently asked questions

GPT-5.2 Chat vs Claude Haiku 4.5 — which is cheaper?

Claude Haiku 4.5 is cheaper on output ($5/M vs $14/M).

Which has the larger context window?

Claude Haiku 4.5 offers the larger context window (200K tokens).

GPT-5.2 Chat vs Claude Haiku 4.5 — which should I pick in 2026?

Choose Claude Haiku 4.5 for the lower output price ($5/M vs $14/M). It also gives you the larger 200K context window.

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