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A · closed · Claude Opus

Claude Opus 4.7

Anthropic

B · closed · Claude Opus

Claude Opus 5

Anthropic

1:12

overall capability wins (2 ties across 15 scored). Claude Opus 5 leads overall.

  • Reasoning0:6
  • Coding0:4
  • Arena1:0
  • Agents0:1
  • Tool use0:1
  • Speed0:1

Verdict

Claude Opus 5 leads coding (widest gap: +129.6 on WebDev Elo).

Cost for 1M in + 250K out

Illustrative chat workload at primary-provider list prices.

Claude Opus 4.7
$11.25
Claude Opus 5
$11.25

Price per 1M tokens

Full comparison

Organization

Anthropic

Anthropic

Family

Claude Opus

Claude Opus

License

Proprietary

Proprietary

Open weights

No

No

Release

Apr 16, 2026

Jul 24, 2026

Knowledge cutoff

-

-

API / provider

Anthropic

Anthropic

Modalities

text, image → text

text, image → text

Specs

Context window

1M

1M

tie

Max output

128K

128K

tie

Parameters

—

—

—

Pricing

Input $/1M

$5

$5

tie

Output $/1M

$25

$25

tie

Blended $/1M (3∶1)

$10

$10

tie

Speed

tok/s

68

72

B +4.00

TTFT (s)

0.55

0.55

tie

Reasoning

MMLU-Pro

—

—

—

GPQA Diamond

91.4

93.2

B +1.8 pts

Humanity's Last Exam

42.3

54.9

B +12.6 pts

AIME 2025

—

—

—

MATH-500

—

—

—

Humanity's Last Exam (with tools)

—

—

—

AA-Omniscience Accuracy

48.9

60.9

B +12.0 pts

AA-LCR v1.1

78.7

79.3

B +0.6 pts

CritPt

12.0

29.1

B +17.1 pts

MMMU-Pro

78.8

84.7

B +5.9 pts

IFBench

58.6

—

—

Chartography

—

—

—

Chartography (With Tools)

—

—

—

Coding

SWE-bench Verified

—

—

—

SWE-bench Pro

64.3

—

—

SWE-bench Multilingual

—

—

—

LiveCodeBench

—

—

—

Terminal-Bench 2.1

83.1

89.1

B +6.0 pts

Aider Polyglot

—

—

—

Terminal-Bench 3

—

42.7

—

BigCodeBench

—

—

—

SciCode

54.5

56.4

B +1.9 pts

CursorBench

—

70.0

—

SWE-Rebench

53.1

63.4

B +10.3 pts

NL2Repo-Bench

—

—

—

DeepSWE

—

73.7

—

WebDev Arena

1,557

1,687

B +130 Elo

Terminal-Bench 4.0

—

51.8

—

CursorBench 4.0

—

—

—

FrontierCode v1.1 (Main)

—

—

—

Arena

LMArena Elo

1,494

1,493

A +2 Elo

Claude Opus 4.7

Context
1M / 128K out
Parameters
—
Price
$5 / $25
Speed
68 tok/s · 0.55s TTFT
Modalities
text, image → text
License
Proprietary

April 2026 Opus release with a large SWE-bench jump; still widely used alongside Opus 4.8 / 5.

Claude Opus 5

Context
1M / 128K out
Parameters
—
Price
$5 / $25
Speed
72 tok/s · 0.55s TTFT
Modalities
text, image → text
License
Proprietary

Anthropic's July 2026 flagship - top Artificial Analysis Intelligence Index and strong agentic coding at Opus 4.8 pricing.

Benchmark charts

Winner bars are emphasized. Per-benchmark deltas sit above each chart.

Reasoning & knowledge

GPQA: B +1.8HLE: B +12.6CritPt: B +17.1AA-LCR: B +0.6Omniscience Acc.: B +12.0MMMU-Pro: B +5.9

Coding

TermBench: B +6.0SciCode: B +1.9SWE-Rebench: B +10.3WebDev Elo: B +130

Tool use & function calling

τ³-Banking: B +7.5

Agents & computer use

GDPval-AA: B +341

Arena

Arena Elo: A +2

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