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Claude Fable 5 vs Nex-N2-Pro

Claude Fable 5 (Anthropic) and Nex-N2-Pro (Nex AGI) compared on benchmarks, pricing, context window, and use-case rankings.

Claude Fable 5Anthropic · 18 in the newsNex-N2-ProNex AGI
Scores
Intelligence (ECI)161
Coding10042
Math97
Reasoning & Knowledge9773
Agentic & Tools9734
Specifications
DeveloperAnthropicNex AGI
FamilyClaude
ReleasedJun 9, 2026Jun 8, 2026
Parameters
AvailabilityAPI access
Context window1M262K
Price — $/M input$10.00$0.25
Price — $/M output$50.00$1.00
Inputstext, image, filetext, image
Outputstexttext
Benchmarks
AIME 2024/2025100%
APEX45%
GPQA Diamond93%89%
Humanity's Last Exam53%32%
SciCode60%42%
SimpleBench82%
SimpleQA Verified68%
WebDev Arena1654
WeirdML88%
τ²-bench99%82%

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Frequently asked questions

Which is cheaper, Claude Fable 5 or Nex-N2-Pro?

Nex-N2-Pro is cheaper on input tokens at $0.25 per million, versus $10.00 (representative OpenRouter pricing).

Which has a larger context window, Claude Fable 5 or Nex-N2-Pro?

Claude Fable 5 supports up to 1M tokens, compared with 262K for the other.

Which is better for coding, Claude Fable 5 or Nex-N2-Pro?

Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Claude Fable 5 ranks higher — 100th vs 42th percentile among the models tracked on Model Beat.

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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.