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GPT-5 vs GPT-5 Chat

GPT-5

OpenAI

88#35
vs
GPT-5 Chat

OpenAI

88#34
Signal-by-Signal Comparison
SignalGPT-5DeltaGPT-5 Chat
Capabilities
100
+33
67
Benchmarks
88
+17
70
Pricing
90
--
90
Context window size
80
+7
73
Recency
71
--
71
Output Capacity
85
+15
70
Overall Result
4 wins
of 6
0 wins
GPT-5 wins 4 of 6 signals

Score History

Score History (21 data points)
GPT-5GPT-5 Chat
GPT-5

88.2

current score

Leader

Tied

right now

GPT-5 Chat

88.2

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

GPT-5

OpenAI

Per request$0.006250
Daily$20.83
Monthly$625.00
Annual$7500.00

GPT-5 Chat

OpenAI

Per request$0.006250
Daily$20.83
Monthly$625.00
Annual$7500.00
GPT-5 pricing:
Input:$1.25/M tokens
Output:$10.00/M tokens
GPT-5 Chat pricing:
Input:$1.25/M tokens
Output:$10.00/M tokens
Tie
GPT-5

OpenAI

88

Composite Score

Tie
GPT-5 Chat

OpenAI

88

Composite Score

Signal-by-Signal Comparison
MetricGPT-5GPT-5 ChatWinner
Overall Score
88
88
--
Rank#35#34
GPT-5 Chat
Quality Rank#35#34
GPT-5 Chat
Adoption Rank#35#34
GPT-5 Chat
Parameters------
Context Window400K128K
GPT-5
Pricing$1.25/$10.00/M$1.25/$10.00/M--
Signal Scores
Capabilities
100
67
GPT-5
Benchmarks
88
70
GPT-5
Pricing
90
90
GPT-5
Context window size
80
73
GPT-5
Recency
71
71
GPT-5
Output Capacity
85
70
GPT-5
Benchmark Head-to-Head(11 benchmarks)
GPT-5: 1GPT-5 Chat: 0
GPT-5
GPT-5 Chat
Normalized 0-100%
MMLU
93%-
MMLU-Pro
84.5%-
GPQA Diamond
85%-
MATH-500
92.5%-
HumanEval
96.5%-
SWE-bench Verified
75%-
IFEval
92%-
BBH
90.5%-
Arena Elo
14651427
LiveBench
76%-
HLE
35%-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

GPT-5Elite Tier

Scores 88/100 (rank #35), placing it in the top 88% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
GPT-5 ChatElite Tier

Scores 88/100 (rank #34), placing it in the top 89% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose GPT-5 when you need:

  • Processing long documents or large codebases (400K token context)
  • Agentic applications using tool/function calling
  • Step-by-step reasoning and chain-of-thought problem solving

Choose GPT-5 Chat when you need:

  • General-purpose tasks across coding, writing, and analysis
Cost-Performance Analysis
GPT-5Best Value
Input cost$1.25/M tokens
Output cost$10.00/M tokens
Cost per quality point$0.128
Est. monthly (1M tokens/day)$168.75
GPT-5 Chat
Input cost$1.25/M tokens
Output cost$10.00/M tokens
Cost per quality point$0.128
Est. monthly (1M tokens/day)$168.75

Both models are priced similarly, so the decision comes down to quality and features rather than cost.

Latency & Speed
GPT-5Faster
Speed score0/100
GPT-5 Chat
Speed score0/100

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.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

GPT-5

Customer support chatbot

Suitable for user-facing chat with competitive response times. GPT-5 also offers lower per-token costs for high-volume support

GPT-5

Long document analysis

Larger context window (400K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-5

Batch data extraction

Lower output pricing ($10.00/M) reduces costs when processing thousands of records daily

GPT-5

Creative writing & content

Higher overall composite score (88/100) correlates with better nuance, coherence, and style in long-form content

GPT-5

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

GPT-5
Which Should You Choose?
Our recommendation:
GPT-5

GPT-5 and GPT-5 Chat are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

GPT-5
Recommended

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 0% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by OpenAI

Consider for specialized use cases.

Capability Comparison
CapabilityGPT-5GPT-5 Chat
Vision (Image Input)
Function Callingdiffers
Streaming
JSON Mode
Reasoningdiffers
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-5

OpenAI

$14.25
estimated monthly cost

GPT-5 Chat

OpenAI

$14.25
estimated monthly cost

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterGPT-5GPT-5 Chat
Context Window400K128K
Max Output Tokens128,00016,384
Open SourceNoNo
CreatedAug 7, 2025Aug 7, 2025
Last updated: 40m ago

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