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Model compare

Claude Opus 4.7 vs Claude Opus 4.8

The readout for Claude Opus 4.7 and Claude Opus 4.8, before the detailed comparison sheet.

Model A

Claude Opus 4.7

Anthropic

Contender
vs

Model B

Claude Opus 4.8

Anthropic

Leading

Key Takeaways

Weighted outcome: Claude Opus 4.8. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.

Decision read

Claude Opus 4.8

Claude Opus 4.8 has the higher weighted result; Model A / B score 8 to 92.

Evidence depth

120 data points

Includes 28 benchmark rows, 0 audit samples, and 10 provider examples.

Selection signal

Start with Claude Opus 4.8

The charts below split 38 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 Opus 4.7 and Claude Opus 4.8: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Model compare
Claude Opus 4.7
Claude Opus 4.8
Overall leaderContenderLeading
Weighted overall score8.0 pts92.0 pts
Benchmark category leads0 categories6 categories
Operational advantagesFree providers, Provider coverageCheapest input price, Average speed, First-token latency
Context window1M tokens1M tokens
Max output128K tokens128K 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 Opus 4.7
Claude Opus 4.8
DeveloperAnthropicAnthropic
ReleasedMay 2026May 2026
ParametersNo dataNo data
TokenizerClaudeClaude
Knowledge cutoffNo dataNo data
OpenRouter IDanthropic/claude-opus-4.7anthropic/claude-opus-4.8
ReferencesNo dataNo data

When to choose each model

This report only uses LMSpeed data for Claude Opus 4.7 and Claude Opus 4.8: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Claude Opus 4.7

Claude Opus 4.7 has these operational advantages: Free providers, Provider coverage.

Claude Opus 4.8

Claude Opus 4.8 is stronger in benchmark categories (Agents, Coding, Reasoning, Knowledge, Math) and operational dimensions (Cheapest input price, Average speed, First-token latency).

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
8 / 8
Shared
6 shared categories

Avg. score

Claude Opus 4.7

53.5

Avg. score

Claude Opus 4.8

58.1

Agents

Claude Opus 4.8 leads by 8.1

Claude Opus 4.753.7
Claude Opus 4.861.8

Coding

Claude Opus 4.8 leads by 5.5

Claude Opus 4.758.5
Claude Opus 4.864

Reasoning

Claude Opus 4.8 leads by 1.1

Claude Opus 4.754.8
Claude Opus 4.855.9

Knowledge

Claude Opus 4.8 leads by 8.5

Claude Opus 4.753.6
Claude Opus 4.862.1

Math

Claude Opus 4.8 leads by 1.2

Claude Opus 4.756
Claude Opus 4.857.2

Multilingual

Claude Opus 4.8

Claude Opus 4.7-
Claude Opus 4.855

Multimodal

Claude Opus 4.8

Claude Opus 4.7-
Claude Opus 4.859

Instruction following

Claude Opus 4.8 leads by 5.5

Claude Opus 4.744.5
Claude Opus 4.850

Professional benchmark details

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

Aggregatereported

BenchLM overall score

SourceClaude Opus 4.7

Claude Opus 4.7

66.0

Rank #32/111 · confidence 1 · eval date 2026-04-16

+7.0

Claude Opus 4.8

winner

73.0

Rank #10/111 · confidence 4 · eval date 2026-05-28

Pricingverified

Input price

SourceClaude Opus 4.7 (Adaptive Reasoning, Max Effort)

Claude Opus 4.7

$5.00/M

Rank #168/186 · confidence 4

$0.0000/M

Claude Opus 4.8

$5.00/M

Rank #168/186 · confidence 4

Pricingverified

Blended price

SourceClaude Opus 4.7 (Adaptive Reasoning, Max Effort)

Claude Opus 4.7

$10.00/M

Rank #169/186 · confidence 4

$0.0000/M

Claude Opus 4.8

$10.00/M

Rank #169/186 · confidence 4

Pricingverified

Output price

SourceClaude Opus 4.7 (Adaptive Reasoning, Max Effort)

Claude Opus 4.7

$25.00/M

Rank #169/186 · confidence 4

$0.0000/M

Claude Opus 4.8

$25.00/M

Rank #169/186 · confidence 4

Reasoningverified

HLE

SourceClaude Opus 4.7 (Adaptive Reasoning, Max Effort)

Claude Opus 4.7

42.3%

Rank #24/216 · confidence 4

+6.4%

Claude Opus 4.8

winner

48.7%

Rank #7/216 · confidence 4

Reasoningreported

CritPt

SourceClaude Opus 4.7

Claude Opus 4.7

5.1

Rank #47/88 · confidence 1 · eval date 2026-04-16

+15.8

Claude Opus 4.8

winner

20.9

Rank #13/88 · confidence 4 · eval date 2026-05-28

Reasoningverified

GPQA

SourceClaude Opus 4.7 (Adaptive Reasoning, Max Effort)

Claude Opus 4.7

91.4%

Rank #22/218 · confidence 4

+0.6%

Claude Opus 4.8

winner

92.0%

Rank #19/218 · confidence 4

Reasoningreported

AA-LCR

SourceClaude Opus 4.7

Claude Opus 4.7

72.3

Rank #58/106 · confidence 1 · eval date 2026-04-16

+5.4

Claude Opus 4.8

winner

77.7

Rank #37/106 · confidence 4 · eval date 2026-05-28

Codingreported

FrontierCode 1.1 Main

SourceClaude Opus 4.7

Claude Opus 4.7

38.5

Rank #8/11 · confidence 1 · eval date 2026-04-16

+8.0

Claude Opus 4.8

winner

46.5

Rank #4/11 · confidence 4 · eval date 2026-05-28

Codingreported

BenchLM Coding score

SourceClaude Opus 4.7

Claude Opus 4.7

63.3

Rank #18/87 · confidence 1 · eval date 2026-04-16

+9.8

Claude Opus 4.8

winner

73.1

Rank #10/87 · confidence 4 · eval date 2026-05-28

Codingreported

AA-SciCode

SourceClaude Opus 4.7

Claude Opus 4.7

50.1

Rank #34/113 · confidence 1 · eval date 2026-04-16

+4.3

Claude Opus 4.8

winner

54.4

Rank #21/113 · confidence 4 · eval date 2026-05-28

Mathreported

FrontierMath v2 (Tier 4)

SourceClaude Opus 4.7

Claude Opus 4.7

22.9

Rank #10/36 · confidence 1 · eval date 2026-04-16

+8.3

Claude Opus 4.8

winner

31.3

Rank #8/36 · confidence 4 · eval date 2026-05-28

Mathreported

FrontierMath v2 (Tiers 1-3)

SourceClaude Opus 4.7

Claude Opus 4.7

43.8

Rank #9/47 · confidence 1 · eval date 2026-04-16

+3.4

Claude Opus 4.8

winner

47.2

Rank #8/47 · confidence 4 · eval date 2026-05-28

Mathreported

BenchLM Math score

SourceClaude Opus 4.7

Claude Opus 4.7

61.7

Rank #28/63 · confidence 1 · eval date 2026-04-16

+3.7

Claude Opus 4.8

winner

65.4

Rank #23/63 · confidence 4 · eval date 2026-05-28

Knowledgereported

AA-HLE

SourceClaude Opus 4.7

Claude Opus 4.7

33.3

Rank #43/114 · confidence 1 · eval date 2026-04-16

+15.4

Claude Opus 4.8

winner

48.7

Rank #6/114 · confidence 4 · eval date 2026-05-28

Knowledgereported

BenchLM Knowledge score

SourceClaude Opus 4.7

Claude Opus 4.7

65.5

Rank #49/83 · confidence 1 · eval date 2026-04-16

+20.8

Claude Opus 4.8

winner

86.3

Rank #6/83 · confidence 4 · eval date 2026-05-28

Knowledgereported

AA-Omniscience Index

SourceClaude Opus 4.7

Claude Opus 4.7

14.8

Rank #23/45 · confidence 1 · eval date 2026-04-16

+14.0

Claude Opus 4.8

winner

28.8

Rank #8/45 · confidence 4 · eval date 2026-05-28

Knowledgereported

Artificial Analysis Intelligence Index

SourceClaude Opus 4.7

Claude Opus 4.7

winner

43.9

Rank #14/117 · confidence 1 · eval date 2026-04-16

+1.9

Claude Opus 4.8

42.0

Rank #18/117 · confidence 4 · eval date 2026-05-28

Knowledgereported

AA-Omniscience Accuracy

SourceClaude Opus 4.7

Claude Opus 4.7

44.7

Rank #26/106 · confidence 1 · eval date 2026-04-16

+4.1

Claude Opus 4.8

winner

48.8

Rank #19/106 · confidence 4 · eval date 2026-05-28

Knowledgereported

AA-GPQA Diamond

SourceClaude Opus 4.7

Claude Opus 4.7

88.5

Rank #43/113 · confidence 1 · eval date 2026-04-16

+3.5

Claude Opus 4.8

winner

92.0

Rank #21/113 · confidence 4 · eval date 2026-05-28

Knowledgereported

AA-Omniscience Hallucination Rate

SourceClaude Opus 4.7

Claude Opus 4.7

winner

54.1

Rank #70/106 · confidence 1 · eval date 2026-04-16

+14.8

Claude Opus 4.8

39.3

Rank #88/106 · confidence 4 · eval date 2026-05-28

Multimodalreported

Design Arena Website

SourceClaude Opus 4.7

Claude Opus 4.7

winner

1307.0

Rank #13/78 · confidence 1 · eval date 2026-04-16

+38.0

Claude Opus 4.8

1269.0

Rank #31/78 · confidence 4 · eval date 2026-05-28

Instruction followingreported

AA-IFBench

SourceClaude Opus 4.7

Claude Opus 4.7

43.6

Rank #61/84 · confidence 1 · eval date 2026-04-16

+18.6

Claude Opus 4.8

winner

62.2

Rank #48/84 · confidence 4 · eval date 2026-05-28

Agentsreported

Gert Labs

SourceClaude Opus 4.7

Claude Opus 4.7

65.6

Rank #3/49 · confidence 1 · eval date 2026-04-16

+7.4

Claude Opus 4.8

winner

73.0

Rank #1/49 · confidence 4 · eval date 2026-05-28

Agentsreported

ResearchClawBench

SourceClaude Opus 4.7

Claude Opus 4.7

20.7

Rank #2/18 · confidence 1 · eval date 2026-04-16

+0.4

Claude Opus 4.8

winner

21.1

Rank #1/18 · confidence 4 · eval date 2026-05-28

Agentsreported

OSWorld 2.0

SourceClaude Opus 4.7

Claude Opus 4.7

13.9

Rank #14/19 · confidence 1 · eval date 2026-04-16

+6.7

Claude Opus 4.8

winner

20.6

Rank #10/19 · confidence 4 · eval date 2026-05-28

Agentsreported

BenchLM Agentic score

SourceClaude Opus 4.7

Claude Opus 4.7

70.4

Rank #30/76 · confidence 1 · eval date 2026-04-16

+6.3

Claude Opus 4.8

winner

76.7

Rank #21/76 · confidence 4 · eval date 2026-05-28

Agentsreported

τ²-bench results

SourceClaude Opus 4.7

Claude Opus 4.7

74.0

Rank #59/82 · confidence 1 · eval date 2026-04-16

+20.4

Claude Opus 4.8

winner

94.4

Rank #22/82 · confidence 4 · eval date 2026-05-28

API audit comparison

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

Provider
Claude Opus 4.7
Claude Opus 4.8
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 Opus 4.7
Claude Opus 4.8
Aitoke15 tests

Claude Opus 4.7

speed / latency

35 tok/s / 2753ms

input / output

No data

Claude Opus 4.8

speed / latency

N/A / N/A

input / output

No data

ApiToken Online15 tests

Claude Opus 4.7

speed / latency

38 tok/s / 3322ms

input / output

No data

Claude Opus 4.8

speed / latency

N/A / N/A

input / output

No data

Fusecode15 tests

Claude Opus 4.7

speed / latency

54 tok/s / 2936ms

input / output

No data

Claude Opus 4.8

speed / latency

43 tok/s / 2368ms

input / output

No data

Fengsili API10 tests

Claude Opus 4.7

speed / latency

52 tok/s / 3590ms

input / output

No data

Claude Opus 4.8

speed / latency

N/A / N/A

input / output

No data

FreeModel10 tests

Claude Opus 4.7

speed / latency

N/A / N/A

input / output

No data

Claude Opus 4.8

speed / latency

882 tok/s / 127ms

input / output

No data

Dext API

Claude Opus 4.7

claude-opus-4-7

speed / latency

No data

input / output

$0.240/M/$1.20/M

Claude Opus 4.8

claude-opus-4-8

speed / latency

No data

input / output

$0/M/$0/M

兔子API

Claude Opus 4.7

claude-opus-4-7

speed / latency

No data

input / output

$0/request

Claude Opus 4.8

claude-opus-4-8

speed / latency

No data

input / output

$0/request

我不是AI神

Claude Opus 4.7

claude-opus-4-7

speed / latency

No data

input / output

$0/M/$0/M

Claude Opus 4.8

claude-opus-4-8

speed / latency

No data

input / output

$0/M/$0/M

熊猫 API

Claude Opus 4.7

熊猫-特供-按量-满血逆-claude-opus-4-7

speed / latency

No data

input / output

$0.015/M/$0.076/M

Claude Opus 4.8

熊猫-特供-按量-满血逆-claude-opus-4-8

speed / latency

No data

input / output

$0.015/M/$0.076/M

KFCV50

Claude Opus 4.7

claude-opus-4-7

speed / latency

No data

input / output

$0.017/request

Claude Opus 4.8

claude-opus-4-8

speed / latency

No data

input / output

$0.017/request

FAQ

Weighted outcome: Claude Opus 4.8. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.

Why is this comparison indexable?
It has 6 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.