AI Flash Report

Claude Fable 5.2 vs Nex-N2.6: Benchmarks, Pricing & Capabilities Compared

TL;DR — Claude Fable 5.2 wins for long-context · Nex-N2.6 wins for cost.

Claude Fable 5.2 Anthropic
Released
2026-11-09
Context window
1,000,000 tokens
Input price
$8.00 / Mtok
Output price
$40.00 / Mtok
Nex-N2.6 Nex AGI
Released
2026-11-10
Context window
256K tokens
Input price
$0.12 / Mtok
Output price
$0.40 / Mtok

Benchmark comparison

No benchmarks reported on both models.

Pricing comparison

Metric Claude Fable 5.2 Nex-N2.6
Input ($/Mtok) $8.00 $0.12
Output ($/Mtok) $40.00 $0.40
Cached input ($/Mtok) — —
Cost per 1M-token roundtrip (1M in + 1M out) $48.00 $0.52

Context window & modalities

Attribute Claude Fable 5.2 Nex-N2.6
Context window 1,000,000 tokens 256K tokens
Input modalities text, image text, image
Output modalities text text
Knowledge cutoff — —

Verdict by use case

Coding
Insufficient data
Basis: SWE-bench

No shared coding benchmark.

Reasoning
Insufficient data
Basis: GPQA / MMLU

No shared reasoning benchmark.

Math
Insufficient data
Basis: MATH / AIME

No shared math benchmark.

Long context
→ Claude Fable 5.2
Basis: Context window

Claude Fable 5.2 1,000,000 tokens vs Nex-N2.6 256K tokens.

Cost
→ Nex-N2.6
Basis: Input $/Mtok

Claude Fable 5.2 $8/Mtok vs Nex-N2.6 $0.12/Mtok input.

Changelog & releases

Claude Fable 5.2
Released 2026-11-09
Predecessor: claude-fable-5
Nex-N2.6
Released 2026-11-10

Related comparisons