Claude Fable 5.1 vs North Micro Vision Instruct: Specs & Benchmark Comparison

Claude Fable 5.1 is developed by Anthropic, while North Micro Vision Instruct comes from Cohere. North Micro Vision Instruct was released in August 2026, and Claude Fable 5.1 followed a month later in September 2026. North Micro Vision Instruct has a published size of about 2 billion parameters; Anthropic has not disclosed the parameter count of Claude Fable 5.1.

We have 7 benchmark results for Claude Fable 5.1 and 19 benchmark results for North Micro Vision Instruct, but they were measured on different benchmarks, so there is no like-for-like scoreboard.

Claude Fable 5.1 is available through an API at $10 per million input tokens with a 1M-token context window. We do not track a hosted API for North Micro Vision Instruct, so pricing and context cannot be compared directly.

CharacteristicClaude Fable 5.1North Micro Vision Instruct
CompanyAnthropicCohere
Release DateSeptember 1, 2026August 12, 2026
Parameters2B
MultimodalYesYes
Context (input)1.0M
Context (output)128K
Input Price / 1M$10.00
Output Price / 1M$50.00
Average Score59.7%61.1%

Verdict

Claude Fable 5.1 leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: Claude Fable 5.1 — 0.6, North Micro Vision Instruct — 0.6.

Recency

Claude Fable 5.1 is newer: released 9/1/2026 vs 8/12/2026.

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Frequently Asked Questions

Which is better for coding — Claude Fable 5.1 or North Micro Vision Instruct?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude Fable 5.1 or North Micro Vision Instruct?
API pricing data is available on the individual model pages.
Which has a larger context window — Claude Fable 5.1 or North Micro Vision Instruct?
Context window data is available on the individual model pages.

The Claude Fable 5.1 and North Micro Vision Instruct comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Fable 5.1 or North Micro Vision Instruct page. See also the complete list of AI model comparisons.