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Back to models

Data points: 81

On this page

Key TakeawaysComparison sheetBenchmark score comparisonAPI audit comparisonProvider examplesWhen to choose each modelFAQRelated compare reports

Key Takeaways

The readout for Claude Opus 4.6 and GLM-4.5, before the detailed comparison sheet.

Decision read

Claude Opus 4.6

Claude Opus 4.6 currently has the stronger profile, with verified wins split 5 to 1.

Evidence depth

81 data points

Includes 8 benchmark rows, 0 audit samples, and 8 provider examples.

Selection signal

Start with Claude Opus 4.6

The charts below split 16 high-signal samples across speed, scores, and audit health.

Model compare

Claude Opus 4.6 vs GLM-4.5

claude-opus-4-6-vs-glm-4-5

Model A

Claude

Claude Opus 4.6

Model B

ChatGLM

GLM-4.5

Overall leaderLeadingContender
Verified metric wins5 wins1 wins
Where it leadsAverage speed, First-token latency, Free providers, Provider coverage, Recent testsCheapest input price
Model metadataClaude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output.GLM-4.5 exposes 131.1K tokens; notable signals: Text input, Text output, Tool calling, JSON mode.
DeveloperAnthropicNo data
Context window1M tokens131.1K tokens
Max output128K tokens98.3K tokens
ReleasedApr 2026Jul 2025
Modalities

Input

TextImageFile

Output

Text

Input

Text

Output

Text
Features
Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning
Text inputText outputTool callingJSON modeReasoning
ParametersNo dataNo data
TokenizerClaudeOther
Knowledge cutoffNo data2024-12-31
OpenRouter IDanthropic/claude-opus-4.6-fastz-ai/glm-4.5
ReferencesNo dataNo data

Benchmark score comparison

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

Metric
ClaudeClaude Opus 4.6
ChatGLMGLM-4.5
SciCode
45.7%#20
34.8%#76
Input price
$5.00/M#41
$0.600/M#23
Output price
$25.00/M#47
$2.20/M#25
Time to first answer token
1.44 s#34
41.05 s#90
Time to first token
1.44 s#57
1.01 s#36
Blended price
$10.00/M#68
$1.00/M#38
GPQA
84.0%#38
78.2%#60
HLE
18.6%#43
12.2%#62

API audit comparison

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

Provider
ClaudeClaude Opus 4.6
ChatGLMGLM-4.5
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
ClaudeClaude Opus 4.6
ChatGLMGLM-4.5
钠 API20 tests
Claude

Claude Opus 4.6

speed / latency

42 tok/s / 2282ms

input / output

No data

ChatGLM

GLM-4.5

speed / latency

N/A / N/A

input / output

No data

Rnglg2 API15 tests
Claude

Claude Opus 4.6

speed / latency

57 tok/s / 3926ms

input / output

No data

ChatGLM

GLM-4.5

speed / latency

N/A / N/A

input / output

No data

EasyMore5 tests
Claude

Claude Opus 4.6

speed / latency

27 tok/s / 15402ms

input / output

No data

ChatGLM

GLM-4.5

speed / latency

N/A / N/A

input / output

No data

N1N5 tests
Claude

Claude Opus 4.6

speed / latency

46 tok/s / 2559ms

input / output

No data

ChatGLM

GLM-4.5

speed / latency

N/A / N/A

input / output

No data

小水管 API5 tests
Claude

Claude Opus 4.6

speed / latency

45 tok/s / 6167ms

input / output

No data

ChatGLM

GLM-4.5

speed / latency

N/A / N/A

input / output

No data

Seamee API
Claude

Claude Opus 4.6

claude-opus-4.6

speed / latency

No data

input / output

$0/M / $0/M

ChatGLM

GLM-4.5

GLM-4.5

speed / latency

No data

input / output

$75.00/M / $75.00/M

Medu Chat
Claude

Claude Opus 4.6

claude-opus-4-6-thinking

speed / latency

No data

input / output

$75.00/M / $375.00/M

ChatGLM

GLM-4.5

glm-4.5

speed / latency

No data

input / output

$0.0010/M / $0.0010/M

紫脑喵
Claude

Claude Opus 4.6

claude-opus-4-6-thinking

speed / latency

No data

input / output

$5.00/M / $25.00/M

ChatGLM

GLM-4.5

glm-4.5

speed / latency

No data

input / output

$0.010/M / $0.010/M

When to choose each model

This report only uses LMSpeed data for Claude Opus 4.6 and GLM-4.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Guidance
ClaudeClaude Opus 4.6
ChatGLMGLM-4.5
When to choose each model

Claude Opus 4.6

Claude Opus 4.6 is stronger when you prioritize Average speed, First-token latency, Free providers, Provider coverage, Recent tests.

GLM-4.5

GLM-4.5 is stronger when you prioritize Cheapest input price.

FAQ

TL;DR: Claude Opus 4.6 leads across 81 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.

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.

Related compare reports

Continue from Claude Opus 4.6 vs GLM-4.5 into nearby model comparisons with enough verified LMSpeed data.

ClaudeClaude Opus 4.6 vs GPT-5.46 verified data pointsClaudeClaude Opus 4.6 vs GPT-56 verified data pointsClaudeClaude Opus 4.6 vs GPT-5.26 verified data pointsClaudeClaude Opus 4.6 vs Gemini 2.5 Pro6 verified data points

Data as of Jun 13, 2026, 04:14 PM·Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.