Claude Opus 4.7 vs Gemini 3.5 Flash

Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.

Claude Opus 4.7

Anthropic · Mar 2026

The early-2026 Opus release that pushed SWE-bench past 82% and extended the 1M context to the whole Opus line.

Gemini 3.5 Flash

Google · May 2026

Google's I/O 2026 headliner: near-Pro intelligence at Flash speed, 78.8% on SWE-bench Verified with full multimodal input.

The verdict

Claude Opus 4.7 wins 1 of the 1 benchmarks these models share, against 0 for Gemini 3.5 Flash. Gemini 3.5 Flash is about 3.0x cheaper per blended million tokens (3:1 input:output mix).

Benchmark head-to-head 10

SWE-bench Verified
82%78.8%
Claude Opus 4.7Gemini 3.5 Flash

Specs & pricing

Claude Opus 4.7Gemini 3.5 Flash
modhub Index
Input price / 1M$5$1.5
Output price / 1M$25$9
Context window1M1M
Max output64K66K
Open weightsnono
Reasoning modelyesyes
Multimodal inputtext, imagetext, image, audio, video
Knowledge cutoffNov 2025Feb 2026
ReleasedMar 2026May 2026
Example monthly cost*$87.50$28.50

* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.

Frequently asked questions

Which is better, Claude Opus 4.7 or Gemini 3.5 Flash?
Claude Opus 4.7 wins 1 of the 1 benchmarks these models share, against 0 for Gemini 3.5 Flash. Gemini 3.5 Flash is about 3.0x cheaper per blended million tokens (3:1 input:output mix).
Which is cheaper, Claude Opus 4.7 or Gemini 3.5 Flash?
Claude Opus 4.7 costs $5/$25 per million input/output tokens, while Gemini 3.5 Flash costs $1.5/$9. For a typical workload of 10M input and 1.5M output tokens per month, that's $87.50 versus $28.50.
Which model is better for coding, Claude Opus 4.7 or Gemini 3.5 Flash?
On SWE-bench Verified — the standard agentic-coding benchmark — Claude Opus 4.7 scores 82% versus 78.8% for Gemini 3.5 Flash, making Claude Opus 4.7 the stronger pick for coding agents.

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