Skip to main content
idapt
HomeCodeAI ModelsPricing
Sign inStart free
  • Home
  • Pricing
  • AI Models
  • Image models
  • Voice models
  • Video models
  • Rankings
  • New models
  • Model status
  • Multi-Model Chat
  • Voice Mode
  • Voice HUD
  • Web Search
  • Image Generation
  • Video Generation
  • Audio Generation
  • Transcription
  • Drive
  • Credentials
  • Sharing
  • Workspaces
  • Tasks
  • Memory
  • Agents
  • Subagents
  • Automations
  • Skills
  • idapt Code
  • Code Execution
  • Computers
  • Computer Use
  • Computer Assist · Soon
  • Containers · Soon
  • Cloud Computers
  • Local AI
  • AI Gateway
  • API & SDK
  • CLI
  • MCP
  • Tunnels
  • All features →
  • LLM cost calculator
  • Token counter
  • Context window checker
  • Can I run it
  • Model picker quiz
  • Savings finder
  • Video cost estimator
  • Text to speech cost
  • Transcription cost
  • API endpoint tester
  • All free tools →
  • Blog
  • Use cases
  • Comparisons
  • Best of
  • Skills
  • Learn
  • Changelog
  • Help center
  • FAQ
  • Privacy
  • Compare all models
  • Support
  • idapt Code
  • Developers
  • Quickstarts
  • API reference
  • API pricing
  • CLI
  • MCP
  • Downloads
  • Desktop
  • Badges and embeds
© idapt[email protected]TermsPrivacy PolicyLegal noticeReport content
X (Twitter)

Claude Opus 4.8 vs Gemini 3.5 Flash

At a glance

Anthropic's most capable Opus yet, built for long-horizon autonomous agents and frontier coding.

891M ctx$5.00/$25.00 per M#4/92

Google's high-speed thinking model for agentic workflows, chat, and coding.

861.0M ctx$1.50/$9.00 per M#11/92
Agent Demos
All agent demos

No shared agent demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·Provider·OpenRouter· as of 2026-07-10
Smarter3%
Capability
CapabilityECI3%89.2
Reasoning & Knowledge
Graduate Science91.0%Factual Recall39.5%
Math
Competition Math3%98.3%Research Math21%47.2%
Coding
Real-World Coding12%88.6%
Agentic
Novel Reasoning72.1%
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper66%
Capability
CapabilityECI86.2
Reasoning & Knowledge
Graduate Science2%92.8%Factual Recall73%68.4%
Math
Competition Math95.6%Research Math39.0%
Coding
Real-World Coding79.3%
Agentic
Novel Reasoning72.1%
Specs
1M
Context
128K
Max output
May 2026
Released
1.0M
Context
66K
Max output
May 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$5.00/M tokens
Output$25.00/M tokens
Cache read$0.50/M tokens
Cache write$6.25/M tokens
Web search29%$0.01/search
Live pricing, shown before you run
Input70%$1.50/M tokens
Output64%$9.00/M tokens
Reasoning$9.00/M tokens
Cache read70%$0.15/M tokens
Cache write99%$0.08/M tokens
Image input$1.50/M tokens
Audio input$3.00/M tokens
Web search$0.01/search
Chat with Claude Opus 4.8Go to model
Chat with Gemini 3.5 FlashGo to model
Frequently Asked Questions: Claude Opus 4.8 vs Gemini 3.5 Flash▼

Which is better, Claude Opus 4.8 or Gemini 3.5 Flash?

▼

Based on the Capability Index, Claude Opus 4.8 scores higher (89.2 vs 86.2). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Claude Opus 4.8 or Gemini 3.5 Flash?

▼

Gemini 3.5 Flash has a lower blended cost. Claude Opus 4.8: $5.00 input / $25.00 output. Gemini 3.5 Flash: $1.50 input / $9.00 output.

Which has a larger context window, Claude Opus 4.8 or Gemini 3.5 Flash?

▼

Gemini 3.5 Flash has a larger context window: Claude Opus 4.8 supports 1M tokens vs Gemini 3.5 Flash at 1M tokens.

Do both Claude Opus 4.8 and Gemini 3.5 Flash support vision?

▼

Yes, both Claude Opus 4.8 and Gemini 3.5 Flash support vision/image input.

Which has better coding performance, Claude Opus 4.8 or Gemini 3.5 Flash?

▼

Claude Opus 4.8 scores higher on SWE-bench Verified: Claude Opus 4.8 resolves 89% vs Gemini 3.5 Flash at 79%.

What are the key differences between Claude Opus 4.8 and Gemini 3.5 Flash?

▼

Key differences: Gemini 3.5 Flash is significantly cheaper. 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 Claude Opus 4.8 and Gemini 3.5 Flash for free on idapt.app to see which performs better for your specific needs.

Open in App