Claude Fable 5.1 vs Grok 4.5: Pricing, Quality, Value, and Benchmarks | PickAIModel
PickAIModel.com - Compare Claude Fable 5.1 and Grok 4.5
Claude Fable 5.1 vs Grok 4.5: pricing, Quality, Value, and benchmarks
Side-by-side buyer comparison built from the current published top 10 snapshot. Quality and Value stay deterministic, while editorial verdict excerpts remain clearly AI-labeled.
Provisional evidenceProvisional evidence
Claude Fable 5.1 Quality
100.0
Grok 4.5 Quality
51.1
Quality delta
+48.9Claude Fable 5.1 leads
Value delta
+31.7Claude Fable 5.1 leads
Buyer summary
Claude Fable 5.1 leads Quality by 48.9 points. Claude Fable 5.1 leads Value by 31.7 points.
Shared roster
Both pages link back to the same published roster and methodology, so the comparison stays on one deterministic evidence set.
Anthropic's newest generally available Fable model leads the current scored evidence, with premium $10/$50 token pricing and safeguard fallback for some flagged requests.
Monthly price
Claude Pro: $20/month
App access
Claude
Conversation benchmark
~196 chats
Verified vendor fact
Consumer plan pricing is grounded in the current official vendor plan page.
Verified vendor fact
Hosted app availability is grounded in the current official vendor surface.
Quality rank 1 and value rank 3 in the current published roster.
Grok 4.5
Q 51.1
V 8.3
Quality rank 7 and value rank 8 in the current published roster.
Buyer access
Pricing, app access, and Conversation Value
Claude Fable 5.1
Verified vendor fact3K tokens/chat
Claude Pro: $20/month
~196 chats
Hosted app: Claude
Grok 4.5
Benchmark evidence
Claude Fable 5.1
Verified evidence
Humanity's Last Exam
Normalized quality input
59.1%
Artificial Analysis Claude Fable 5.1 evaluation | Independent HLE result using adaptive reasoning at maximum effort with Anthropic default safeguard fallback.
SWE-Bench Pro
Normalized quality input
81.2%
Anthropic Claude Fable 5.1 and Mythos 5.1 system card | Vendor-reported SWE-Bench Pro result using adaptive thinking at maximum effort and default sampling settings.
Terminal-Bench 2.1
Agentic terminal task completion
91.4%
Artificial Analysis Claude Fable 5.1 analysis | Independent Terminal-Bench 2.1 result using adaptive reasoning at maximum effort with default safeguard fallback.
GPQA Diamond
Normalized quality input
Editorial excerpt
Claude Fable 5.1
AI-assisted, editorially reviewed
Anthropic's newest generally available Fable model leads the current scored evidence, with premium $10/$50 token pricing and safeguard fallback for some flagged requests.
Claude Fable 5.1 combines the strongest current locked-variant HLE and SWE-Bench Pro evidence with a 1M-token context window. Its $10 per million input-token and $50 per million output-token prices make it a specialist choice for difficult coding and knowledge work, while safeguard fallback means integrations should surface the model identity returned by the API.
Editorial excerpt
Grok 4.5
AI-assisted, editorially reviewed
This model is still under editorial review. We will publish a verdict as soon as we have completed our review of the AI model.
This model is still under editorial review. We will publish a verdict as soon as we have completed our review of the AI model.
Continue Research
Move from the head-to-head page back into the full roster.
This model is still under editorial review. We will publish a verdict as soon as we have completed our review of the AI model.
Monthly price
Grok: Price unavailable
App access
Grok
Conversation benchmark
Unavailable
Verified vendor fact
Consumer plan pricing was not available in the current snapshot.
Verified vendor fact
Hosted app availability is grounded in the current official vendor surface.
Verified vendor fact
3K tokens/chat
Grok: Price unavailable
Unavailable
Hosted app: Grok
93.7%
Artificial Analysis Claude Fable 5.1 evaluation
Benchmark evidence
Grok 4.5
Verified evidence
Humanity's Last Exam
Normalized quality input
40.3%
Artificial Analysis Grok 4.5 high evaluation | Independent exact Grok 4.5 high result; do not substitute another Grok reasoning configuration.
AA-Omniscience
AA-Omniscience Index
26.0
Artificial Analysis AA-Omniscience evaluation | Independent Artificial Analysis result for Grok 4.5 (high). Display-only; this row does not affect Quality or Value scores.
SWE-Bench Pro
Normalized quality input
64.7%
xAI Grok 4.5 release | Vendor-reported exact Grok 4.5 SWE-Bench Pro resolve rate; retain the published harness context.
Terminal-Bench 2.1
Agentic terminal task completion
83.3%
xAI Grok 4.5 release | Vendor-reported exact Grok 4.5 Terminal-Bench 2.1 result; tool use is intrinsic to the harness.