Compare / head-to-head

Claude Sonnet 5.5vsJamba2 Mini

Claude Sonnet 5.5 and Jamba2 Mini do not yet share a public benchmark, so quality cannot be compared apples-to-apples. Jamba2 Mini is 20x cheaper per token. Claude Sonnet 5.5 has the larger context window (1M tokens).

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

Shared benchmarks
0
no overlap yet
Cheaper per token
Jamba2 Mini
20x cheaper, input + output
Larger context
Claude Sonnet 5.5
1M tokens
Providers
2 providers
Anthropic · AI21 Labs
Claude Sonnet 5.5
Anthropic · released 2026-09-28
textvision
Context
1M
Max out
128K
Input /1M
$2 ↗
Output /1M
$10 ↗
Cached /1M
$0.2
Scores
29 · 10 core
Jamba2 Mini
AI21 Labs · released 2026-01-08
text
Context
256K
Max out
4K
Input /1M
$0.2 ↗
Output /1M
$0.4 ↗
Cached /1M
—
Scores
4 · 0 core
Quality

Benchmark matrix

BenchmarkClaude Sonnet 5.5Jamba2 MiniΔEdge
Reported by both · 0
No public benchmark is reported for both models yet.
Only Claude Sonnet 5.5 reports · 29
GPQA Diamond95.6% ↗epoch runnot reported——
LMArena Elo1471 ↗not reported——
APEX-Agents (Mercor)75.5% ↗not reported——
Chartography (no tools)61.6% ↗not reported——
CursorBench 4.055.5% ↗not reported——
FrontierCode v1.1 (Main)46.2% ↗not reported——
FrontierMath Tier 4 v2 (Epoch AI run)80.5% ↗epoch runnot reported——
FrontierMath Tiers 1-3 v2 (Epoch AI run)88.8% ↗epoch runnot reported——
FrontierSWE V2 (Proximal Labs)61.9% ↗not reported——
Furniture Assembly (Epoch AI run)75% ↗epoch runnot reported——
Humanity's Last Exam (with tools)64.5% ↗not reported——
LiveBench Agentic Coding (LiveBench)56.3% ↗not reported——
LiveBench Coding (LiveBench)91.4% ↗not reported——
LiveBench Data Analysis (LiveBench)78.6% ↗not reported——
LiveBench Instruction Following (LiveBench)70.5% ↗not reported——
LiveBench Language (LiveBench)83.4% ↗not reported——
LiveBench Mathematics (LiveBench)96.7% ↗not reported——
LiveBench Reasoning (LiveBench)91.6% ↗not reported——
LMArena Agent (LMArena)0.1252 ↗not reported——
LMArena Vision (LMArena)1268.3 ↗not reported——
LMArena WebDev (LMArena)1786.3 ↗not reported——
Mystery Game Puzzles (Epoch AI run)65% ↗epoch runnot reported——
OSWorld 2.1 (partial)80.1% ↗not reported——
OTIS Mock AIME 2024-2025 (Epoch AI run)100% ↗epoch runnot reported——
SAGE (Vals AI)51.8% ↗not reported——
SimpleBench (SimpleBench)75.9% ↗not reported——
SimpleQA Verified46.5% ↗epoch runnot reported——
Terminal-Bench 4.070.6% ↗not reported——
Terminal-Bench 4.0 (Vals AI)64.1% ↗not reported——
Only Jamba2 Mini reports · 4
Collienot reported33% ↗——
FACTSnot reported57% ↗——
IFBenchnot reported38% ↗——
IFEvalnot reported97% ↗——
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 Claude Sonnet 5.5 minus Jamba2 Mini 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

SpecClaude Sonnet 5.5Jamba2 MiniEdge
Context window1M tokens256K tokensClaude Sonnet 5.5
Max output128K tokens4K tokensClaude Sonnet 5.5
Input price / 1M$2 ↗$0.2 ↗Jamba2 Mini
Output price / 1M$10 ↗$0.4 ↗Jamba2 Mini
Cached input / 1M$0.2 ↗——
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$12$0.6Jamba2 Mini
Modalitiestext · visiontextClaude Sonnet 5.5
Released2026-09-282026-01-08—
Cited benchmark scores294—
Reliability

Provider status

All providers →
More matchups

Claude Sonnet 5.5 vs …

More matchups

Jamba2 Mini vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run Claude Sonnet 5.5 and Jamba2 Mini on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.