Claude Mythos 5 vs DiffusionGemma 26B A4B IT
Claude Mythos 5 comes out ahead, 72 to 51 on our weighted score, and it is the cheaper option too.
- Our pick
AnthropicClaude Mythos 5
72/100- ECI—
- Price$10.00 / $50.00
- Context1M
GoogleDiffusionGemma 26B A4B IT
51/100- ECI—
- Price—
- Context262K
Add a model
Make it a three-way comparison.
Claude Mythos 5 is our pick
Claude Mythos 5 is the better all-round choice, scoring 72/100 against DiffusionGemma 26B A4B IT (51). It leads on inputs & features and context window. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceClaude Mythos 5Claude Mythos 5 $20.00 per 1M tokens (3:1 blend) · DiffusionGemma 26B A4B IT unpriced
- Longest contextClaude Mythos 5Claude Mythos 5 1,000,000 · DiffusionGemma 26B A4B IT 262,144 tokens
- Widest inputsClaude Mythos 5Claude Mythos 5: Text, Images, PDFs · DiffusionGemma 26B A4B IT: Text, Images
- Self-hostingDiffusionGemma 26B A4B ITPublishes downloadable weights (Apache 2.0)
| Measure | Weight | Claude Mythos 5 | DiffusionGemma 26B A4B IT |
|---|---|---|---|
| Inputs & features | 60% | 80 | 60 |
| Context window | 40% | 60 | 37 |
| Overall | 100% | 72/100 | 51/100 |
Left out because at least one model lacks the data: capability and price. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Claude Mythos 5Anthropic | DiffusionGemma 26B A4B ITGoogle |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | $10.00 | — |
| Output | $50.00 | — |
| Cached input | — | — |
| Blended (3:1) | $20.00 | — |
| Long-context rate | Same rate | — |
| Price source | Median of 2 providers | — |
| Limits | ||
| Context window | 1,000,000 tokens (best) | 262,144 tokens |
| Max output | 128,000 tokens (best) | 32,768 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | Yes | Yes |
| PDFs | Yes | No |
| Audio | No | No |
| Video | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | Yes | No |
| Availability | ||
| Weights | Proprietary | OpenApache 2.0 |
| API model ID | — | — |
| API providers | 2 (best) | 1 |
| Released | Jun 9, 2026 | Jun 9, 2026 |
| Knowledge cutoff | Jan 31, 2026 | Jan 2025 |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Claude Mythos 5$200.00
- DiffusionGemma 26B A4B IT—
Which should you choose?
Which is better: Claude Mythos 5 or DiffusionGemma 26B A4B IT?
Claude Mythos 5 is the better all-round choice, scoring 72/100 against DiffusionGemma 26B A4B IT (51). It leads on inputs & features and context window. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Claude Mythos 5 or DiffusionGemma 26B A4B IT?
Claude Mythos 5 is cheaper at $10.00 input / $50.00 output per million tokens (median across 2 API providers). . At a typical mix of three input tokens to one output token, that is $20.00 per million tokens for Claude Mythos 5 versus . DiffusionGemma 26B A4B IT has no published per-token price.
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Claude Mythos 5 has not been scored yet and DiffusionGemma 26B A4B IT has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Claude Mythos 5 and DiffusionGemma 26B A4B IT yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.
Which has the bigger context window?
Claude Mythos 5 has the largest context window at 1,000,000 tokens, against 262,144 for DiffusionGemma 26B A4B IT. Maximum output per response: Claude Mythos 5 up to 128,000, DiffusionGemma 26B A4B IT up to 32,768 tokens.
Which can read images, PDFs, audio or video?
Claude Mythos 5 accepts text, images and PDFs; DiffusionGemma 26B A4B IT accepts text and images. Claude Mythos 5 handles the widest range of inputs.
Are any of these open source?
DiffusionGemma 26B A4B IT publishes its weights (Apache 2.0) and can be self-hosted; Claude Mythos 5 is proprietary.
Which is newer?
Claude Mythos 5 is the newest, released Jun 9, 2026. DiffusionGemma 26B A4B IT came out Jun 9, 2026. Knowledge cutoff: Claude Mythos 5 Jan 31, 2026, DiffusionGemma 26B A4B IT Jan 2025.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.
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