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Claude Sonnet 4.6 vs O1

The readout for Claude Sonnet 4.6 and O1, before the detailed comparison sheet.

Model A

Claude Sonnet 4.6

Anthropic

Leading
vs

Model B

O1

OpenAI

Contender

Key Takeaways

Weighted outcome: Claude Sonnet 4.6. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.

Decision read

Claude Sonnet 4.6

Claude Sonnet 4.6 has the higher weighted result; Model A / B score 73.3 to 26.7.

Evidence depth

103 data points

Includes 20 benchmark rows, 0 audit samples, and 10 provider examples.

Selection signal

Start with Claude Sonnet 4.6

The charts below split 30 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 Claude Sonnet 4.6 and O1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Model compare
Claude Sonnet 4.6
O1
Overall leaderLeadingContender
Weighted overall score73.3 pts26.7 pts
Benchmark category leads4 categories2 categories
Operational advantagesCheapest input price, Free providers, Provider coverageNo data
Context window1M 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
Claude Sonnet 4.6
O1
DeveloperAnthropicOpenAI
ReleasedFeb 2026Dec 2024
ParametersNo dataNo data
TokenizerClaudeGPT
Knowledge cutoffNo data2023-10-31
OpenRouter IDanthropic/claude-sonnet-4.6openai/o1
ReferencesNo dataNo data

When to choose each model

This report only uses LMSpeed data for Claude Sonnet 4.6 and O1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Claude Sonnet 4.6

Claude Sonnet 4.6 is stronger in benchmark categories (Agents, Coding, Knowledge, Math) and operational dimensions (Cheapest input price, Free providers, Provider coverage).

O1

O1 leads these benchmark categories: Reasoning, Instruction following.

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
7 / 8
Model B coverage
6 / 8
Shared
6 shared categories

Avg. score

Claude Sonnet 4.6

52.7

Avg. score

O1

51.8

Agents

Claude Sonnet 4.6 leads by 6.5

Claude Sonnet 4.651.9
O145.4

Coding

Claude Sonnet 4.6 leads by 6.7

Claude Sonnet 4.655.1
O148.4

Reasoning

O1 leads by 0.9

Claude Sonnet 4.649.6
O150.5

Knowledge

Claude Sonnet 4.6 leads by 8.1

Claude Sonnet 4.670.6
O162.5

Math

Claude Sonnet 4.6 leads by 0.1

Claude Sonnet 4.652.6
O152.5

Multilingual

No data

Claude Sonnet 4.6-
O1-

Multimodal

Claude Sonnet 4.6

Claude Sonnet 4.645.4
O1-

Instruction following

O1 leads by 7.7

Claude Sonnet 4.643.8
O151.5

Professional benchmark details

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

Pricingverified

Blended price

SourceClaude Sonnet 4.6 (Adaptive Reasoning, Max Effort)

Claude Sonnet 4.6

winner

$6.00/M

Rank #158/185 · confidence 4

+$20.25/M

O1

$26.25/M

Rank #178/185 · confidence 4

Pricingverified

Input price

SourceClaude Sonnet 4.6 (Adaptive Reasoning, Max Effort)

Claude Sonnet 4.6

winner

$3.00/M

Rank #158/185 · confidence 4

+$12.00/M

O1

$15.00/M

Rank #178/185 · confidence 4

Pricingverified

Output price

SourceClaude Sonnet 4.6 (Adaptive Reasoning, Max Effort)

Claude Sonnet 4.6

winner

$15.00/M

Rank #158/185 · confidence 4

+$45.00/M

O1

$60.00/M

Rank #178/185 · confidence 4

Reasoningreported

MMLU-Pro

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

79.2%

Rank #69/129 · confidence 4 · eval date 2026-02-01

+4.9%

O1

winner

84.1%

Rank #34/129 · confidence 4

Reasoningverified

HLE

SourceClaude Sonnet 4.6 (Adaptive Reasoning, Max Effort)

Claude Sonnet 4.6

winner

33.6%

Rank #48/214 · confidence 4

+26.6%

O1

7.0%

Rank #140/214 · confidence 4

Reasoningverified

GPQA

SourceClaude Sonnet 4.6 (Adaptive Reasoning, Max Effort)

Claude Sonnet 4.6

winner

87.5%

Rank #50/217 · confidence 4

+12.8%

O1

74.7%

Rank #124/217 · confidence 4

Reasoningreported

CritPt

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

winner

0.9

Rank #75/88 · confidence 4 · eval date 2026-02-01

+0.6

O1

0.3

Rank #83/88 · confidence 1 · eval date 2024-12-01

Reasoningreported

AA-LCR

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

62.3

Rank #79/106 · confidence 4 · eval date 2026-02-01

+1.0

O1

winner

63.3

Rank #78/106 · confidence 1 · eval date 2024-12-01

Codingreported

AA-SciCode

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

winner

46.9

Rank #46/113 · confidence 4 · eval date 2026-02-01

+11.1

O1

35.8

Rank #91/113 · confidence 1 · eval date 2024-12-01

Mathreported

FrontierMath v2 (Tiers 1-3)

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

winner

32.4

Rank #18/47 · confidence 4 · eval date 2026-02-01

+23.1

O1

9.3

Rank #34/47 · confidence 1 · eval date 2024-12-01

Mathreported

BenchLM Math score

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

winner

49.0

Rank #38/63 · confidence 4 · eval date 2026-02-01

+16.4

O1

32.6

Rank #49/63 · confidence 1 · eval date 2024-12-01

Knowledgereported

BenchLM Knowledge score

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

winner

75.3

Rank #26/82 · confidence 4 · eval date 2026-02-01

+11.3

O1

64.0

Rank #54/82 · confidence 1 · eval date 2024-12-01

Knowledgereported

AA-Omniscience Accuracy

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

winner

38.6

Rank #40/106 · confidence 4 · eval date 2026-02-01

+4.1

O1

34.5

Rank #47/106 · confidence 1 · eval date 2024-12-01

Knowledgereported

AA-Omniscience Hallucination Rate

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

68.5

Rank #57/106 · confidence 4 · eval date 2026-02-01

+1.1

O1

winner

69.6

Rank #55/106 · confidence 1 · eval date 2024-12-01

Knowledgereported

Artificial Analysis Intelligence Index

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

winner

36.8

Rank #60/117 · confidence 4 · eval date 2026-02-01

+19.6

O1

17.2

Rank #96/117 · confidence 1 · eval date 2024-09-12

Knowledgereported

AA-GPQA Diamond

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

winner

79.9

Rank #79/113 · confidence 4 · eval date 2026-02-01

+5.2

O1

74.7

Rank #89/113 · confidence 1 · eval date 2024-12-01

Knowledgereported

AA-HLE

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

winner

13.3

Rank #82/114 · confidence 4 · eval date 2026-02-01

+6.3

O1

7.0

Rank #91/114 · confidence 1 · eval date 2024-12-01

Instruction followingreported

BenchLM Instruction Following score

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

47.9

Rank #49/51 · confidence 4 · eval date 2026-02-01

+38.2

O1

winner

86.1

Rank #27/51 · confidence 1 · eval date 2024-12-01

Instruction followingreported

AA-IFBench

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

41.2

Rank #67/84 · confidence 4 · eval date 2026-02-01

+29.1

O1

winner

70.3

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

Agentsreported

τ²-bench results

SourceClaude Sonnet 4.6

Claude Sonnet 4.6

winner

79.5

Rank #55/82 · confidence 4 · eval date 2026-02-01

+16.9

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
Claude Sonnet 4.6
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
Claude Sonnet 4.6
O1
EasyMore5 tests

Claude Sonnet 4.6

speed / latency

27 tok/s / 11925ms

input / output

No data

O1

speed / latency

N/A / N/A

input / output

No data

N1N5 tests

Claude Sonnet 4.6

speed / latency

55 tok/s / 2094ms

input / output

No data

O1

speed / latency

N/A / N/A

input / output

No data

数标标API-FS5 tests

Claude Sonnet 4.6

speed / latency

47 tok/s / 1068ms

input / output

No data

O1

speed / latency

N/A / N/A

input / output

No data

速创API5 tests

Claude Sonnet 4.6

speed / latency

20 tok/s / 8427ms

input / output

No data

O1

speed / latency

N/A / N/A

input / output

No data

42公益站0 tests

Claude Sonnet 4.6

speed / latency

N/A / N/A

input / output

No data

O1

speed / latency

N/A / N/A

input / output

No data

兔子API

Claude Sonnet 4.6

claude-sonnet-4-6

speed / latency

No data

input / output

$0/request

O1

o1-2024-12-17

speed / latency

No data

input / output

$0/request

PoloAPI

Claude Sonnet 4.6

claude-sonnet-4-6-c

speed / latency

No data

input / output

$0.0082/request

O1

o1-all

speed / latency

No data

input / output

$0.082/request

KFCV50

Claude Sonnet 4.6

claude-sonnet-4-6

speed / latency

No data

input / output

$0.010/request

O1

o1-2024-12-17

speed / latency

No data

input / output

$1.03/M/$4.11/M

Newagiai

Claude Sonnet 4.6

claude-sonnet-4-6

speed / latency

No data

input / output

$0.329/M/$1.64/M

O1

o1-preview-all

speed / latency

No data

input / output

$0.033/request

柏拉图AI

Claude Sonnet 4.6

claude-sonnet-4-6

speed / latency

No data

input / output

$0.329/M/$1.64/M

O1

o1-preview-all

speed / latency

No data

input / output

$0.033/request

FAQ

Weighted outcome: Claude Sonnet 4.6. 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.