Claude Sonnet 4.6 vs Gemini 3.6 Flash — Price, Context, and Capability Compared
Verdict
Claude Sonnet 4.6 costs 1.8× more per blended million tokens than Gemini 3.6 Flash. Gemini 3.6 Flash has the larger context window (1,000,000 tokens). Default to Gemini 3.6 Flash unless you specifically need Claude Sonnet 4.6's edge.
Spec comparison
| Claude Sonnet 4.6 | Gemini 3.6 Flash | |
|---|---|---|
| Price (input) | $3.00/M | $1.50/M ✓ |
| Price (output) | $15.00/M | $9.00/M ✓ |
| Blended price | $6.00/M | $3.38/M ✓ |
| Context window | 300,000 tokens | 1,000,000 tokens ✓ |
| Max output | 64,000 tokens | 64,000 tokens |
| Modalities | text, vision | text, vision, audio |
| Reasoning mode | Yes | Yes |
| Released | 2026-03 | 2026-06 |
| Speed | 76 t/s | 114 t/s ✓ |
Cost at scale (3:1 blended)
| Tokens / month | Claude Sonnet 4.6 | Gemini 3.6 Flash | Delta |
|---|---|---|---|
| 1,000,000 | $6.00 | $3.38 | $2.63 (1.8×) |
| 10,000,000 | $60.00 | $33.75 | $26.25 (1.8×) |
| 100,000,000 | $600.00 | $337.50 | $262.50 (1.8×) |
Choose Claude Sonnet 4.6 if…
- ✓Best intelligence-per-dollar in the Claude lineup
- ✓Fast enough for interactive coding agents
- ✓Reliable structured output
- ✓Enterprise workloads that need Opus-adjacent quality at Sonnet pricing.
Choose Gemini 3.6 Flash if…
- ✓Faster than Gemini 3.5 Flash
- ✓Top-tier coding and agentic performance for its price
- ✓1M-token context
- ✓Latency-sensitive coding and agentic tasks that still need a huge context window.
Run this exact matchup right now
Send the same prompt to Claude Sonnet 4.6 and Gemini 3.6 Flash side by side and see the outputs yourself.
Try Claude Sonnet 4.6 vs Gemini 3.6 Flash FreeFAQ
Is Claude Sonnet 4.6 cheaper than Gemini 3.6 Flash?
Gemini 3.6 Flash is cheaper, at $3.38 per million blended tokens vs $6.00 for Claude Sonnet 4.6.
Which has the bigger context window, Claude Sonnet 4.6 or Gemini 3.6 Flash?
Gemini 3.6 Flash has the larger context window: 1,000,000 tokens vs 300,000.
Can Claude Sonnet 4.6 replace Gemini 3.6 Flash for coding?
Both are viable for coding. Best intelligence-per-dollar in the Claude lineup (Claude Sonnet 4.6) vs Faster than Gemini 3.5 Flash (Gemini 3.6 Flash) — pick based on which strength matters more for your workload.
Which is faster, Claude Sonnet 4.6 or Gemini 3.6 Flash?
Gemini 3.6 Flash is faster: 114 t/s vs 76 t/s, measured on our speed benchmarks.
Related
Pricing verified 2026-04-06. Specs verified 2026-08-08.
