head-to-head

Sakana: Fugu Max vs SpaceXAI: Grok 4.6

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

Sakana: Fugu Max SpaceXAI: Grok 4.6
Vendorsakanax-ai
Quality Score100100
Input Price$2.00/M$2.00/M
Output Price$6.00/M$6.00/M
Context Window1,000,000500,000
Max Output128,000450,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, both cost $3.50 at current list prices.

Fugu Max reads up to 1,000,000 tokens at once, roughly 1,500 pages of text, against about 750 pages for Grok 4.6.

Fugu Max was released in September 2026 and Grok 4.6 in August 2026.

Pick Fugu Max if you need long documents.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Related comparisons

Anthropic: Claude Haiku 5.5 (batch) vs Sakana: Fugu Max Anthropic: Claude Haiku 5.5 vs Sakana: Fugu Max Anthropic: Claude Opus 5.5 (batch) vs Sakana: Fugu Max Anthropic: Claude Sonnet 5.5 (batch) vs Sakana: Fugu Max Anthropic: Claude Sonnet 5.5 vs Sakana: Fugu Max ByteDance Seed: Seed-2.0-Code vs SpaceXAI: Grok 4.6 ByteDance Seed: Seed 2.1 Turbo vs SpaceXAI: Grok 4.6 Cohere: Command A+ vs Sakana: Fugu Max

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.