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Compare / head-to-head

Amazon Nova 2 LitevsGPT-5.5

GPT-5.5 leads 2 of 2 shared benchmarks. Both offer a 1M-token context window.

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

Shared benchmarks
0 – 2
GPT-5.5 leads
Cheaper per token
list price, input + output
Larger context
Tie
both 1M tokens
Provider uptime (30d)
— · 94.2446%
Amazon · OpenAI
Amazon Nova 2 Lite
Amazon · released 2025-12-02
textvision
Context
1M
Max out
66K
Input /1M
Output /1M
Cached /1M
Scores
12 · 3 core
GPT-5.5
OpenAI · released 2026-04-23
textvision
Context
1M
Max out
128K
Input /1M
$5
Output /1M
$30
Cached /1M
$0.5
Scores
21 · 10 core
Quality

Benchmark matrix

BenchmarkAmazon Nova 2 LiteGPT-5.5ΔEdge
Reported by both · 2
GPQA Diamond79.6% 90.7% epoch-11.1 ptGPT-5.5
MCP Atlas24.6% 75.3% -50.7 ptGPT-5.5
Only Amazon Nova 2 Lite reports · 10
MMLU-Pro80.9% not reported
AIME 202591% not reported
BFCL v460.3% not reported
IF-Bench70.8% not reported
LongCodeBench 1M84% not reported
MultiChallenge76.6% not reported
RealKIE-FCC Verified62.1% not reported
tau2-bench Airline Verified64.8% not reported
tau2-bench Retail Verified76.5% not reported
tau2-bench Telecom76% not reported
Only GPT-5.5 reports · 19
AIME 2026not reported100% matharena
LMArena Elonot reported1465.6
ARC-AGI-1 (Verified)not reported95%
ARC-AGI-2 (Verified)not reported85%
BrowseCompnot reported84.4%
FrontierMath Tier 1-3not reported51.7%
FrontierMath Tier 4not reported35.4%
FrontierMath Tier 4 v2 (Epoch AI run)not reported72.5% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported85.3% epoch
GDPval (wins or ties)not reported84.9%
MMMU-Pro (no tools)not reported81.2%
MMMU-Pro (with tools)not reported83.2%
OSWorld-Verifiednot reported78.7%
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported84.4% epoch
SimpleQA Verifiednot reported63% epoch
SWE-Bench Pronot reported58.6%
Tau2-bench Telecomnot reported98%
Terminal-Bench 2.0not reported82.7%
Toolathlonnot reported55.6%
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 Amazon Nova 2 Lite minus GPT-5.5 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

SpecAmazon Nova 2 LiteGPT-5.5Edge
Context window1M tokens1M tokensTie
Max output66K tokens128K tokensGPT-5.5
Input price / 1M$5
Output price / 1M$30
Cached input / 1M$0.5
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$35
Modalitiestext · visiontext · visionTie
Released2025-12-022026-04-23
Cited benchmark scores1221
Reliability

Provider status

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Which one wins on your data?

Public benchmarks are a starting point. Run Amazon Nova 2 Lite and GPT-5.5 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.