Claude Opus 5 vs GPT-6 Astra

Change models
Claude Opus 5Anthropic
IndexAll categories, out of 100.
73.8 ±1.9
78.0 ±1.9 best
GapIndex points below the top.
−4.2
Top
CoverageIndex weight that has results.
100%
100%
SpeedOutput tokens per second.
48/s best
34/s
EloLMArena rating and rank.
1502 best
1440
ReleasedMonth of release.
2026-07
2026-09
Input / 1MUS dollars per 1M input tokens.
$5.00 best
$10.00
Output / 1MUS dollars per 1M output tokens.
$25.00 best
$50.00
Batch output / 1MBatch price per 1M output tokens.
$12.50 best
$25.00
1K chats2K tokens in, 500 out, each.
$22.50 best
$45.00
1K documents20K tokens in, 1K out, each.
$125.00 best
$250.00
1K agent tasks200K tokens in, 20K out, each.
$1,500.00 best
$3,000.00
ContextMaximum tokens in one request.
1M
1.05M best
AgenticMulti-step tasks with tools.
71.6
74.6 best
CodingCode writing and repair.
74.8
76.9 best
ReasoningLogic problems and puzzles.
75.4
83.8 best
MultimodalTasks with images and text.
72.5 best
71.2
KnowledgeFacts and expert knowledge.
73.1
78.5 best
MultilingualTasks in many languages.
63.6
73.6 best
InstructionTasks with strict prompt rules.
55.6
79.5 best
MathMath problems.
74.8
78.0 best

Benchmarks

84 shared
Only Claude Opus 5: 66Only GPT-6 Astra: 54
Claude Opus 5
GPT-6 Astra
54.9% best7 / 222
54.7%8 / 222
79.3%52 / 217
80.7% best37 / 217
93.9%14 / 217
95.8% best3 / 217
29.1%13 / 214
31.7% best4 / 214
98.9%22 / 200
100.0% best1 / 200
93.2%11 / 199
96.1% best1 / 199
60.9%7 / 164
61.6% best6 / 164
61.1% best7 / 133
53.7%25 / 133
90.4%8 / 131
95.0% best1 / 131
97.5%5 / 126
97.5%5 / 126
88.4%11 / 123
89.6% best8 / 123
97.1%6 / 122
97.5% best5 / 122
99.0% best2 / 116
97.8%14 / 116
56.4%26 / 114
56.5% best24 / 114
84.7%6 / 113
86.9% best2 / 113
MedScribeHealthcare
91.0% best4 / 109
87.9%16 / 109
MedCodeHealthcare
63.6% best1 / 106
48.5%29 / 106
59.9%19 / 91
75.6% best4 / 91
Chess PuzzlesReasoning
43.0%31 / 90
74.0% best3 / 90
85.6%15 / 90
93.7% best2 / 90