A.X K2 vs Claude Opus 4.5
Change modelsA.X K2SK Telecom
Claude Opus 4.5Anthropic
IndexAll categories, out of 100.
51.9 ±6.6
52.0 ±2.1 best
GapIndex points below the top.
−0.1 · no clear gap
Top
CoverageIndex weight that has results.
85%
100% best
SpeedOutput tokens per second.
—
39/s
EloLMArena rating and rank.
—
1451
ReleasedMonth of release.
2026-07
2025-11
Input / 1MUS dollars per 1M input tokens.
—
$5.00
Output / 1MUS dollars per 1M output tokens.
—
$25.00
Batch output / 1MBatch price per 1M output tokens.
—
$12.50
1K chats2K tokens in, 500 out, each.
—
$22.50
1K documents20K tokens in, 1K out, each.
—
$125.00
1K agent tasks200K tokens in, 20K out, each.
—
$1,500.00
ContextMaximum tokens in one request.
262K best
200K
AgenticMulti-step tasks with tools.
46.3
54.7 best
CodingCode writing and repair.
51.3
55.0 best
ReasoningLogic problems and puzzles.
53.3 best
51.8
MultimodalTasks with images and text.
—
42.2
KnowledgeFacts and expert knowledge.
54.5
54.6 best
MultilingualTasks in many languages.
—
56.6
InstructionTasks with strict prompt rules.
60.0 best
41.2
MathMath problems.
55.2 best
51.3
Benchmarks
8 sharedOnly A.X K2: 7Only Claude Opus 4.5: 93
A.X K2
Claude Opus 4.5