Claude Mythos 5 vs Nano Banana Pro (Gemini 3 Pro Image)
Claude Mythos 5 (2026) and Nano Banana Pro (Gemini 3 Pro Image) (2026) are frontier-tier reasoning models from Anthropic and Google DeepMind. Claude Mythos 5 ships a 1m-token context window, while Nano Banana Pro (Gemini 3 Pro Image) ships a 66k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Nano Banana Pro (Gemini 3 Pro Image) is ~400% cheaper at $2/1M; pay for Claude Mythos 5 only for coding workflow support.
Decision scorecard
Local evidence first| Signal | Claude Mythos 5 | Nano Banana Pro (Gemini 3 Pro Image) |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Coding, RAG, and Agents | Agents, Vision, and JSON / Tool use |
| Context window | 1m | 66k |
| Cheapest output | $50/1M tokens | $120/1M tokens |
| Provider routes | 3 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Claude Mythos 5 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Claude Mythos 5 has the lower cheapest tracked output price at $50/1M tokens.
- Claude Mythos 5 has broader tracked provider coverage for fallback and procurement flexibility.
- Claude Mythos 5 uniquely exposes Function calling and Code execution in local model data.
- Local decision data tags Claude Mythos 5 for Coding, RAG, and Agents.
- Local decision data tags Nano Banana Pro (Gemini 3 Pro Image) for Agents, Vision, and JSON / Tool use.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Claude Mythos 5
$20,500
Cheapest tracked route/tier: Anthropic
Nano Banana Pro (Gemini 3 Pro Image)
$31,600
Cheapest tracked route/tier: Google AI Studio
Estimated monthly gap: $11,100. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Claude Mythos 5 and Nano Banana Pro (Gemini 3 Pro Image); plan for SDK, billing, or endpoint changes.
- Nano Banana Pro (Gemini 3 Pro Image) is $70/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Function calling and Code execution before moving production traffic.
- No overlapping tracked provider route is sourced for Nano Banana Pro (Gemini 3 Pro Image) and Claude Mythos 5; plan for SDK, billing, or endpoint changes.
- Claude Mythos 5 is $70/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Claude Mythos 5 adds Function calling and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-06-09 | 2026-05-28 |
| Context window | 1m | 66k |
| Parameters | — | — |
| Architecture | Decoder Only | Decoder Only |
| License | Proprietary | Proprietary |
| Openness | Proprietary | Proprietary |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | - | 2025-01 |
Pricing and availability
| Pricing attribute | Claude Mythos 5 | Nano Banana Pro (Gemini 3 Pro Image) |
|---|---|---|
| Input price | $10/1M tokens | $2/1M tokens |
| Output price | $50/1M tokens | $120/1M tokens |
| Providers |
Capabilities
| Capability | Claude Mythos 5 | Nano Banana Pro (Gemini 3 Pro Image) |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | Yes | Yes |
| Function calling | Yes | No |
| Tool use | Yes | Yes |
| Structured outputs | Yes | Yes |
| Code execution | Yes | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
Deep dive
The capability footprint differs most on function calling: Claude Mythos 5 and code execution: Claude Mythos 5. Both models share vision, multimodal input, reasoning mode, and tool use, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, Claude Mythos 5 lists $10/1M input and $50/1M output tokens on the cheapest tracked provider, while Nano Banana Pro (Gemini 3 Pro Image) lists $2/1M input and $120/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Claude Mythos 5 lower by about $15.40 per million blended tokens. Availability is 3 providers versus 1, so concentration risk also matters.
Choose Claude Mythos 5 when coding workflow support, larger context windows, and broader provider choice are central to the workload. Choose Nano Banana Pro (Gemini 3 Pro Image) when vision-heavy evaluation and lower input-token cost are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which has a larger context window, Claude Mythos 5 or Nano Banana Pro (Gemini 3 Pro Image)?
Claude Mythos 5 supports 1m tokens, while Nano Banana Pro (Gemini 3 Pro Image) supports 66k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Claude Mythos 5 or Nano Banana Pro (Gemini 3 Pro Image)?
Claude Mythos 5 is cheaper on tracked token pricing. Claude Mythos 5 costs $10/1M input and $50/1M output tokens. Nano Banana Pro (Gemini 3 Pro Image) costs $2/1M input and $120/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Claude Mythos 5 or Nano Banana Pro (Gemini 3 Pro Image) open source?
Claude Mythos 5 is listed under Proprietary. Nano Banana Pro (Gemini 3 Pro Image) is listed under Proprietary. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, Claude Mythos 5 or Nano Banana Pro (Gemini 3 Pro Image)?
Both Claude Mythos 5 and Nano Banana Pro (Gemini 3 Pro Image) expose vision. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Which is better for multimodal input, Claude Mythos 5 or Nano Banana Pro (Gemini 3 Pro Image)?
Both Claude Mythos 5 and Nano Banana Pro (Gemini 3 Pro Image) expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Where can I run Claude Mythos 5 and Nano Banana Pro (Gemini 3 Pro Image)?
Claude Mythos 5 is available on Anthropic, AWS Bedrock, and GCP Vertex AI. Nano Banana Pro (Gemini 3 Pro Image) is available on Google AI Studio. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.