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GPT-5 vs O1

The readout for GPT-5 and O1, before the detailed comparison sheet.

Key Takeaways

Weighted outcome: GPT-5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.

Decision read

GPT-5

GPT-5 has the higher weighted result; Model A / B score 60 to 40.

Evidence depth

106 data points

Includes 21 benchmark rows, 0 audit samples, and 10 provider examples.

Selection signal

Start with GPT-5

The charts below split 31 high-signal samples across speed, scores, and audit health.

Change comparison

Switch either side of this report to compare another model with the same LMSpeed data pipeline.

Select a different model to open a new comparison URL.

Comparison sheet

This report only uses LMSpeed data for GPT-5 and O1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Model compare
GPT-5
O1
Overall leaderLeadingContender
Weighted overall score60.0 pts40.0 pts
Benchmark category leads3 categories3 categories
Operational advantagesCheapest input price, Free providers, Provider coverageNo data
Context window400K tokens200K tokens
Max output128K tokens100K tokens
Modalities

Input

TextImageFile

Output

Text

Input

TextImageFile

Output

Text
Features
Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning
Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning

The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.

Model metadata

Model compare
GPT-5
O1
DeveloperOpenAIOpenAI
ReleasedAug 2025Dec 2024
ParametersNo dataNo data
TokenizerGPTGPT
Knowledge cutoff2024-09-302023-10-31
OpenRouter IDopenai/gpt-5openai/o1
ReferencesNo dataNo data

When to choose each model

This report only uses LMSpeed data for GPT-5 and O1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

GPT-5

GPT-5 is stronger in benchmark categories (Reasoning, Math, Instruction following) and operational dimensions (Cheapest input price, Free providers, Provider coverage).

O1

O1 leads these benchmark categories: Agents, Coding, Knowledge.

Benchmark score comparison

Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.

Category performance

Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.

Model A coverage
6 / 8
Model B coverage
6 / 8
Shared
6 shared categories

Avg. score

GPT-5

51.9

Avg. score

O1

52.3

Agents

O1 leads by 0.6

GPT-545
O145.6

Coding

O1 leads by 1.6

GPT-549
O150.6

Reasoning

GPT-5 leads by 2.0

GPT-552.7
O150.7

Knowledge

O1 leads by 13.0

GPT-549.5
O162.5

Math

GPT-5 leads by 8.8

GPT-561.4
O152.6

Multilingual

No data

GPT-5-
O1-

Multimodal

No data

GPT-5-
O1-

Instruction following

GPT-5 leads by 2.1

GPT-553.6
O151.5

Professional benchmark details

Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.

Pricingverified

Input price

GPT-5

winner

$1.25/M

Rank #119/180 · confidence 4

+$13.75/M

O1

$15.00/M

Rank #173/180 · confidence 4

Pricingverified

Blended price

GPT-5

winner

$3.44/M

Rank #135/180 · confidence 4

+$22.81/M

O1

$26.25/M

Rank #173/180 · confidence 4

Pricingverified

Output price

GPT-5

winner

$10.00/M

Rank #138/180 · confidence 4

+$50.00/M

O1

$60.00/M

Rank #173/180 · confidence 4

Reasoningverified

MMLU-Pro

GPT-5

winner

87.1%

Rank #12/129 · confidence 4

+3.0%

O1

84.1%

Rank #34/129 · confidence 4

Reasoningreported

AA-LCR

GPT-5

winner

76.3

Rank #23/100 · confidence 1 · eval date 2025-08-07

+13.0

O1

63.3

Rank #72/100 · confidence 1 · eval date 2024-12-01

Reasoningreported

CritPt

GPT-5

winner

5.7

Rank #38/83 · confidence 1 · eval date 2025-08-07

+5.4

O1

0.3

Rank #78/83 · confidence 1 · eval date 2024-12-01

Reasoningverified

GPQA

GPT-5

67.3%

Rank #143/212 · confidence 4

+7.4%

O1

winner

74.7%

Rank #120/212 · confidence 4

Reasoningverified

HLE

GPT-5

6.0%

Rank #151/209 · confidence 4

+1.0%

O1

winner

7.0%

Rank #135/209 · confidence 4

Codingverified

LiveCodeBench

GPT-5

55.8%

Rank #49/115 · confidence 4

+12.1%

O1

winner

67.9%

Rank #34/115 · confidence 4

Codingreported

AA Coding Index

GPT-5

winner

37.8

Rank #53/70 · confidence 1 · eval date 2025-08-07

+3.7

O1

34.0

Rank #54/70 · confidence 1 · eval date 2024-09-12

Codingreported

AA-SciCode

GPT-5

winner

42.9

Rank #56/108 · confidence 1 · eval date 2025-08-07

+7.1

O1

35.8

Rank #86/108 · confidence 1 · eval date 2024-12-01

Codingverified

SciCode

GPT-5

winner

38.8%

Rank #99/205 · confidence 4

+3.0%

O1

35.8%

Rank #124/205 · confidence 4

Mathverified

MATH-500

GPT-5

86.1%

Rank #42/73 · confidence 4

+10.9%

O1

winner

97.0%

Rank #13/73 · confidence 4

Mathverified

AIME

GPT-5

36.7%

Rank #35/68 · confidence 4

+35.7%

O1

winner

72.3%

Rank #19/68 · confidence 4

Knowledgereported

AA-Omniscience Accuracy

GPT-5

winner

40.3

Rank #30/101 · confidence 1 · eval date 2025-08-07

+5.8

O1

34.5

Rank #43/101 · confidence 1 · eval date 2024-12-01

Knowledgereported

AA-Omniscience Hallucination Rate

GPT-5

winner

82.2

Rank #36/101 · confidence 1 · eval date 2025-08-07

+12.6

O1

69.6

Rank #54/101 · confidence 1 · eval date 2024-12-01

Knowledgereported

AA-HLE

GPT-5

winner

28.5

Rank #47/108 · confidence 1 · eval date 2025-08-07

+21.5

O1

7.0

Rank #85/108 · confidence 1 · eval date 2024-12-01

Knowledgereported

AA-GPQA Diamond

GPT-5

winner

85.4

Rank #55/108 · confidence 1 · eval date 2025-08-07

+10.7

O1

74.7

Rank #84/108 · confidence 1 · eval date 2024-12-01

Knowledgereported

Artificial Analysis Intelligence Index

GPT-5

winner

35.3

Rank #61/111 · confidence 1 · eval date 2025-08-07

+18.1

O1

17.2

Rank #90/111 · confidence 1 · eval date 2024-09-12

Instruction followingreported

AA-IFBench

GPT-5

winner

73.1

Rank #27/84 · confidence 1 · eval date 2025-08-07

+2.8

O1

70.3

Rank #35/84 · confidence 1 · eval date 2024-12-01

Agentsreported

τ²-bench results

GPT-5

winner

84.8

Rank #46/82 · confidence 1 · eval date 2025-08-07

+22.2

O1

62.6

Rank #61/82 · confidence 1 · eval date 2024-12-01

API audit comparison

Latest completed audits from shared providers, with four safety and integrity score groups plus report links.

Provider
GPT-5
O1
No completed audits are available from shared providers yet.

Provider examples

Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.

Provider
GPT-5
O1
V-API20 tests

GPT-5

speed / latency

95 tok/s / 1234ms

input / output

No data

O1

speed / latency

N/A / N/A

input / output

No data

EasyMore5 tests

GPT-5

speed / latency

46 tok/s / 6577ms

input / output

No data

O1

speed / latency

N/A / N/A

input / output

No data

N1N5 tests

GPT-5

speed / latency

102 tok/s / 948ms

input / output

No data

O1

speed / latency

N/A / N/A

input / output

No data

Undy API5 tests

GPT-5

speed / latency

131 tok/s / 743ms

input / output

No data

O1

speed / latency

N/A / N/A

input / output

No data

GPT-5

speed / latency

58 tok/s / 17419ms

input / output

No data

O1

speed / latency

N/A / N/A

input / output

No data

GPT-5

gpt-5-all

speed / latency

No data

input / output

$0/request

O1

o1-2024-12-17

speed / latency

No data

input / output

$0/request

GPT-5

gpt-5

speed / latency

No data

input / output

$0.0027/request

O1

o1-preview-2024-09-12

speed / latency

No data

input / output

$2.05/M/$8.22/M

GPT-5

gpt-5

speed / latency

No data

input / output

$0.0068/request

O1

o1

speed / latency

No data

input / output

$1.03/M/$4.11/M

GPT-5

gpt-5-all

speed / latency

No data

input / output

$0.0068/request

O1

o1-preview-all

speed / latency

No data

input / output

$0.033/request

GPT-5

gpt-5-all

speed / latency

No data

input / output

$0.0068/request

O1

o1-preview-all

speed / latency

No data

input / output

$0.033/request

FAQ

Weighted outcome: GPT-5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.

Why is this comparison indexable?
It has 4 verifiable comparison points, and both models have pricing or benchmark data.
Are missing metrics invented?
No. Metrics without LMSpeed data are omitted from this report.

Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.