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GPT 3.5 Turbo 16K vs Claude Fable 5

At a glance

GPT 3.5 Turbo with extended 16K context window.

16K ctx$3.00/$4.00 per M

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

921M ctx$10.00/$50.00 per M#2/92
Agent Demos
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No shared agent demos for these models yet.

AI Output
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Benchmarks
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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%
Specs
16K
Context
4K
Max output
Aug 2023
Released
1M
Context
128K
Max output
Jun 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input70%$3.00/M tokens
Output92%$4.00/M tokens
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
Chat with GPT 3.5 Turbo 16KGo to model
Chat with Claude Fable 5Go to model
Frequently Asked Questions: GPT 3.5 Turbo 16K vs Claude Fable 5▼

Which is better, GPT 3.5 Turbo 16K or Claude Fable 5?

▼

Both GPT 3.5 Turbo 16K and Claude Fable 5 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, GPT 3.5 Turbo 16K or Claude Fable 5?

▼

GPT 3.5 Turbo 16K has a lower blended cost. GPT 3.5 Turbo 16K: $3.00 input / $4.00 output. Claude Fable 5: $10.00 input / $50.00 output.

Which has a larger context window, GPT 3.5 Turbo 16K or Claude Fable 5?

▼

Claude Fable 5 has a larger context window: GPT 3.5 Turbo 16K supports 16K tokens vs Claude Fable 5 at 1M tokens.

Do both GPT 3.5 Turbo 16K and Claude Fable 5 support vision?

▼

Claude Fable 5 supports vision/image input, but GPT 3.5 Turbo 16K does not.

What are the key differences between GPT 3.5 Turbo 16K and Claude Fable 5?

▼

Key differences: GPT 3.5 Turbo 16K 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 GPT 3.5 Turbo 16K and Claude Fable 5 for free on idapt.app to see which performs better for your specific needs.

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