Claude Mythos 5 vs Gemini 3.1 Pro
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
|
Aby Anthropic
|
Gby Google
|
|
|---|---|---|
| Overview | ||
| Status | Current flagship | Current flagship |
| Released | Jun 9, 2026 | Nov 1, 2025 |
| Pricing per million tokens | ||
| Input | $10.00/Mtok | $2.00/Mtok |
| Output | $50.00/Mtok | $12.00/Mtok |
| Blended avg | $30.00/Mtok | $7.00/Mtok |
| Cached input | $1.00/Mtok | $0.200/Mtok |
| Specifications | ||
| Context window | 200K tokens | 2M tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
textimage
|
textimageaudiovideo
|
| Benchmarks source: Vellum LLM Leaderboard | ||
| Avg benchmark score | 84.7 | 79.3 |
| Perf / dollar | 2.8 | 11.3 |
| GPQA Diamond | 94.1 | 88 |
| SWE-Bench | 95.5 | 75 |
| HumanEval | — | 93 |
| MATH 500 | — | 95 |
| Providers | ||
| Available from |
Anthropic — $10.00/$50.00/Mtok
|
Google — $2.00/$12.00/Mtok
|
Cost at scale — 1M tokens (50/50 input/output)
| Volume | Claude Mythos 5 | Gemini 3.1 Pro | Savings |
|---|---|---|---|
| 1M tokens | $30 | $7 | $23 (76.7%) |
| 10M tokens | $300 | $70 | $230 (76.7%) |
| 100M tokens | $3000 | $700 | $2300 (76.7%) |
| 1000M tokens | $30000 | $7000 | $23000 (76.7%) |
Summary
Claude Mythos 5 by Anthropic costs $10.00/Mtok input and $50.00/Mtok output, with a 200K-token context window. It supports text, image input.
Gemini 3.1 Pro by Google costs $2.00/Mtok input and $12.00/Mtok output, with a 2M-token context window. It supports text, image, audio, video input.
On a blended cost basis, Gemini 3.1 Pro is 76.7% cheaper than Claude Mythos 5. It also has a larger context window.
On benchmarks, Claude Mythos 5 scores higher (84.7 vs 79.3) on average. In terms of value, Gemini 3.1 Pro has better performance per dollar (11.3 vs 2.8).
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.