GPT-5.5 vs Muse Spark 1.3
Change modelsGPT-5.5OpenAI
Muse Spark 1.3Meta
IndexAll categories, out of 100.
69.1 ±2.5
70.1 ±4.0 best
GapIndex points below the top.
−1.0 · no clear gap
Top
CoverageIndex weight that has results.
95% best
85%
SpeedOutput tokens per second.
52/s
76/s best
EloLMArena rating and rank.
1466
1491 best
ReleasedMonth of release.
2026-04
2026-09
Input / 1MUS dollars per 1M input tokens.
$5.00
$1.25 best
Output / 1MUS dollars per 1M output tokens.
$30.00
$4.25 best
Batch output / 1MBatch price per 1M output tokens.
$15.00
—
1K chats2K tokens in, 500 out, each.
$25.00
$4.63 best
1K documents20K tokens in, 1K out, each.
$130.00
$29.25 best
1K agent tasks200K tokens in, 20K out, each.
$1,600.00
$335.00 best
ContextMaximum tokens in one request.
1.05M
1.05M
AgenticMulti-step tasks with tools.
65.8
70.4 best
CodingCode writing and repair.
65.5
68.8 best
ReasoningLogic problems and puzzles.
74.1 best
68.1
MultimodalTasks with images and text.
66.8
—
KnowledgeFacts and expert knowledge.
70.4 best
67.5
MultilingualTasks in many languages.
—
—
InstructionTasks with strict prompt rules.
64.8
84.4 best
MathMath problems.
74.7 best
68.6
Benchmarks
39 sharedOnly GPT-5.5: 73Only Muse Spark 1.3: 20
GPT-5.5
Muse Spark 1.3