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Claude Fable 5 vs DeepSeek V4 Flash

At a glance

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

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

Efficiency-optimized DeepSeek V4 at 284B total / 13B active for fast, high-throughput inference.

1.0M ctx$0.09/$0.19 per M
Agent Demos
All agent demos

No shared agent 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
Capability
CapabilityECI91.6
Reasoning & Knowledge
Factual Recall68.3%
Math
Competition Math99.7%
No benchmarks available

This model hasn't been benchmarked yet.

Specs
1M
Context
128K
Max output
Jun 2026
Released
1.0M
Context
16K
Max output
Apr 2026
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
Input99%$0.09/M tokens
Output100%$0.19/M tokens
Cache read98%$0.02/M tokens
Chat with Claude Fable 5Go to model
Chat with DeepSeek V4 FlashGo to model
Frequently Asked Questions: Claude Fable 5 vs DeepSeek V4 Flash▼

Which is better, Claude Fable 5 or DeepSeek V4 Flash?

▼

Both Claude Fable 5 and DeepSeek V4 Flash are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Claude Fable 5 or DeepSeek V4 Flash?

▼

DeepSeek V4 Flash has a lower blended cost. Claude Fable 5: $10.00 input / $50.00 output. DeepSeek V4 Flash: $0.09 input / $0.19 output.

Which has a larger context window, Claude Fable 5 or DeepSeek V4 Flash?

▼

DeepSeek V4 Flash has a larger context window: Claude Fable 5 supports 1M tokens vs DeepSeek V4 Flash at 1M tokens.

Do both Claude Fable 5 and DeepSeek V4 Flash support vision?

▼

Claude Fable 5 supports vision/image input, but DeepSeek V4 Flash does not.

What are the key differences between Claude Fable 5 and DeepSeek V4 Flash?

▼

Key differences: DeepSeek V4 Flash is significantly cheaper; only Claude Fable 5 supports vision input. 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 V4 Flash for free on idapt.app to see which performs better for your specific needs.

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