Compare / head-to-head

Jamba Large 1.7vsLongCat Flash Chat

LongCat Flash Chat leads 1 of 1 shared benchmark. Jamba Large 1.7 has the larger context window (256K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0 – 1
LongCat Flash Chat leads
Cheaper per token
—
list price, input + output
Larger context
Jamba Large 1.7
256K tokens
Providers
2 providers
AI21 Labs · Meituan LongCat
Jamba Large 1.7
AI21 Labs · released 2025-07-03
text
Context
256K
Max out
4K
Input /1M
$2 ↗
Output /1M
$8 ↗
Cached /1M
—
Scores
2 · 0 core
LongCat Flash Chat
Meituan LongCat · released 2025-09-01
text
Context
128K
Max out
—
Input /1M
—
Output /1M
—
Cached /1M
—
Scores
32 · 9 core
Quality

Benchmark matrix

BenchmarkJamba Large 1.7LongCat Flash ChatΔEdge
Reported by both · 1
IFEval84% ↗89.65% ↗-5.7 ptLongCat Flash Chat
Only Jamba Large 1.7 reports · 1
FACTS83.2% ↗not reported——
Only LongCat Flash Chat reports · 30
SWE-bench Verifiednot reported60.4% ↗——
GPQA Diamondnot reported73.23% ↗——
MMLUnot reported89.71% ↗——
MMLU-Pronot reported82.68% ↗——
AIME 2025not reported61.25% ↗——
LMArena Elonot reported1422.9 ↗——
AceBenchnot reported76.1% ↗——
AIME 2024not reported70.42% ↗——
ArenaHard-V2not reported86.5% ↗——
BeyondAIMEnot reported43% ↗——
C-Evalnot reported90.44% ↗——
CMMLUnot reported84.34% ↗——
COLLIEnot reported57.1% ↗——
DROPnot reported79.06% ↗——
GraphWalks-128knot reported51.05% ↗——
HumanEval+not reported88.41% ↗——
LiveCodeBenchnot reported48.02% ↗——
MATH500not reported96.4% ↗——
MBPP+not reported79.63% ↗——
Meeseeks-zhnot reported43.03% ↗——
Safety: Criminalnot reported91.24% ↗——
Safety: Harmfulnot reported83.98% ↗——
Safety: Misinformationnot reported81.72% ↗——
Safety: Privacynot reported93.98% ↗——
Tau2-Bench (airline)not reported58% ↗——
Tau2-Bench (retail)not reported71.27% ↗——
Tau2-Bench (telecom)not reported73.68% ↗——
TerminalBenchnot reported39.51% ↗——
VitaBenchnot reported24.3% ↗——
ZebraLogicnot reported89.3% ↗——
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Jamba Large 1.7 minus LongCat Flash Chat in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecJamba Large 1.7LongCat Flash ChatEdge
Context window256K tokens128K tokensJamba Large 1.7
Max output4K tokens——
Input price / 1M$2 ↗——
Output price / 1M$8 ↗——
Cached input / 1M———
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$10——
ModalitiestexttextTie
Released2025-07-032025-09-01—
Cited benchmark scores232—
Reliability

Provider status

All providers →
More matchups

LongCat Flash Chat vs …

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Public benchmarks are a starting point. Run Jamba Large 1.7 and LongCat Flash Chat on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.