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Claude Fable 5 vs DeepSeek V3 (0324)

At a glance

Anthropic's Mythos-class flagship for ambitious, long-running professional work.

921M ctx$10.00/$50.00 per M#2/92

March 2024 iteration of the DeepSeek V3 685B MoE model.

70164K ctx$0.27/$1.12 per M#57/92
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter31%
Capability
CapabilityECI31%91.6
Reasoning & Knowledge
Graduate Science—Factual Recall68.3%
Math
Math Problems—Competition Math164%99.7%
Coding
Code Editing—
Agentic
Task Horizon—
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper98%
Capability
CapabilityECI70.0
Reasoning & Knowledge
Graduate Science67.6%Factual Recall—
Math
Math Problems75.5%Competition Math37.8%
Coding
Code Editing55.1%
Agentic
Task Horizon23min
Specs
1M
Context
128K
Max output
Jun 2026
Released
164K
Context
66K
Max output
Mar 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$10.00/M tokens
Output$50.00/M tokens
Cache read$1.00/M tokens
Cache write$12.50/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input97%$0.27/M tokens
Output98%$1.12/M tokens
Cache read87%$0.14/M tokens
Chat with Claude Fable 5Go to model
Chat with DeepSeek V3 (0324)Go to model
Frequently Asked Questions: Claude Fable 5 vs DeepSeek V3 (0324)▼

Which is better, Claude Fable 5 or DeepSeek V3 (0324)?

▼

Based on the Capability Index, Claude Fable 5 scores higher (91.6 vs 70.0). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Claude Fable 5 or DeepSeek V3 (0324)?

▼

DeepSeek V3 (0324) has a lower blended cost. Claude Fable 5: $10.00 input / $50.00 output. DeepSeek V3 (0324): $0.27 input / $1.12 output.

Which has a larger context window, Claude Fable 5 or DeepSeek V3 (0324)?

▼

Claude Fable 5 has a larger context window: Claude Fable 5 supports 1M tokens vs DeepSeek V3 (0324) at 164K tokens.

Do both Claude Fable 5 and DeepSeek V3 (0324) support vision?

▼

Claude Fable 5 supports vision/image input, but DeepSeek V3 (0324) does not.

What are the key differences between Claude Fable 5 and DeepSeek V3 (0324)?

▼

Key differences: Claude Fable 5 has a notably higher capability index (21.6 point gap); DeepSeek V3 (0324) is significantly cheaper; only Claude Fable 5 supports vision input; only Claude Fable 5 offers extended reasoning mode. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Fable 5 and DeepSeek V3 (0324) for free on idapt.app to see which performs better for your specific needs.

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