Claude Opus 4.7 vs Gemini 4 Argon

Wins 0 of 5 benchmarks
$1.99 / task
Wins 1 of 5 benchmarks
Opus 4.776.4
Gemini 4 Argon—
Opus 4.7at max16.5
Gemini 4 Argon71.6
Opus 4.7—
Gemini 4 Argon21.8
Opus 4.71,494.7
Gemini 4 Argon—
Opus 4.71,313.1
Gemini 4 Argon—

Specs

SpecOpus 4.7Gemini 4 Argon
Input, per 1M$5!$2
Output, per 1M$25!$10
Cost per task?—$1.99
Speed, tok/s5984
Context1M1M
WeightsClosedClosed
ReleasedApr 2026Oct 2026
See images✓✓
Read PDFsPartial✓
Hear audio—✓
Watch video—✓
Call tools✓✓
Force a tool callPartialPartial
Return strict JSON✓✓
Search the web?✓
Run code?✓
Use a computer??

What breaks when you switch

Opus 4.7 → Gemini 4 Argon
Synchronous output stops at 65,536›

With background false, output limits above 65,536 tokens return HTTP 400; stay at or below that limit.

Sampling parameters are ignored›

temperature, top_p and top_k are ignored; remove them from requests.

No explicit caching›

Explicit caching is unavailable; omit explicit cache requests.

Gemini 4 Argon → Opus 4.7
Nothing known.