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Model comparison

Claude Fable 5 vs GPT-5.5 vs Gemini 3.1 Pro Preview

Compare verified catalog metadata across pricing, context, privacy, capabilities, and routing. Unknown values remain unknown—no synthetic benchmark claims.

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Overview

Creator

Anthropic

Creator

OpenAI

Creator

Google

Provider

Venice

Provider

Venice

Provider

Venice

Route ID

anthropic/claude-fable-5

Route ID

openai/gpt-5.5

Route ID

google/gemini-3.1-pro-preview

Modalities

Modalities

Modalities

Context window

1M tokens

Context window

1M tokens

Context window

1M tokens

Privacy

Higher boundary is stricter

Anonymous

Venice Anonymous routing

Privacy

Higher boundary is stricter

Anonymous

Venice Anonymous routing

Privacy

Higher boundary is stricter

Anonymous

Venice Anonymous routing

Availability

Available

Availability

Preview

Availability

Available

Released

Jun 10, 2026

Released

Apr 23, 2026

Released

Feb 19, 2026

Catalog updated

Jul 17, 2026

Catalog updated

Jul 17, 2026

Catalog updated

Jul 17, 2026

Summary

Claude Fable 5 is Anthropic's most capable widely released model, designed for demanding reasoning and long-horizon agentic work. It features a 1M token context window, 128K max output tokens,…

Summary

GPT-5.5 is the latest frontier model in the GPT-5 series with a 1M+ context window, offering improved agentic and long context performance. It uses adaptive reasoning to dynamically allocate…

Summary

Gemini 3.1 Pro is the latest evolution of Google flagship frontier model with 1M context, advancing high-precision multimodal reasoning across text, image, and code.

Pricing

Input

Lower is better when units match

$12 / M

Input

Lower is better when units match

$6.25 / M

Input

Lower is better when units match

$2.5 / M

Output

Lower is better when units match

$60 / M

Output

Lower is better when units match

$37.5 / M

Output

Lower is better when units match

$15 / M

Cache read

$1.2 / M

Cache read

$0.625 / M

Cache read

$0.5 / M

Cache write

$15 / M

Cache write

—

Cache write

$0.5 / M

Pricing note

USD per 1M tokens from the Venice models API.

Pricing note

USD per 1M tokens from the Venice models API. Extended-context rates apply beyond the standard context window.

Pricing note

USD per 1M tokens from the Venice models API. Extended-context rates apply beyond the standard context window.

Capabilities

Reasoning

Yes

Reasoning

Yes

Reasoning

Yes

Code optimized

Yes

Code optimized

No

Code optimized

No

Streaming

Yes

Streaming

Yes

Streaming

Yes

Tool calling

Yes

Tool calling

Yes

Tool calling

Yes

JSON/schema

Yes

JSON/schema

Yes

JSON/schema

Yes

Vision

Yes

Vision

Yes

Vision

Yes

Web search

Yes

Web search

Yes

Web search

Yes

Prompt caching

Yes

Prompt caching

Yes

Prompt caching

Yes

Routing

Anonrouter hosted

Yes

Anonrouter hosted

Yes

Anonrouter hosted

Yes

Provider direct

Yes

Provider direct

Yes

Provider direct

Yes

Region boundary

No region-specific metadata published.

Region boundary

No region-specific metadata published.

Region boundary

No region-specific metadata published.

Source metadata

References

Venice pricingVenice privacy

References

Venice pricingVenice privacyModel source

References

Venice pricingVenice privacyModel source

“Best” highlights only comparable known values. Route-specific image, video, and audio units are never ranked against per-token pricing.