Claude Opus 4.7 vs Gemini 3 Flash
Claude Opus 4.7 (2026) and Gemini 3 Flash (2025) are frontier reasoning models from Anthropic and Google DeepMind. Claude Opus 4.7 ships a 1m-token context window, while Gemini 3 Flash ships a 1m-token context window. On SWE-bench Verified, Claude Opus 4.7 leads by 9.6 pts. On pricing, Claude Opus 4.7 costs $5/1M input tokens; Gemini 3 Flash costs $0.50/1M input tokens. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.
Claude Opus 4.7 is safer overall; choose Gemini 3 Flash when coding workflow support matters.
Decision scorecard
Local evidence first| Signal | Claude Opus 4.7 | Gemini 3 Flash |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | multimodal apps, tool-calling agents, and long-context analysis |
| Decision fit | Coding, RAG, and Agents | Coding, RAG, and Agents |
| Context window | 1m | 1m |
| Cheapest output | $25/1M tokens | $3/1M tokens |
| Provider routes | 7 tracked | 4 tracked |
| Shared benchmarks | SWE-bench Verified leader | 3 rows |
Decision tradeoffs
- Claude Opus 4.7 leads the largest shared benchmark signal on SWE-bench Verified by 9.6 points.
- Claude Opus 4.7 has broader tracked provider coverage for fallback and procurement flexibility.
- Claude Opus 4.7 uniquely exposes Reasoning and Structured outputs in local model data.
- Local decision data tags Claude Opus 4.7 for Coding, RAG, and Agents.
- Gemini 3 Flash has the lower cheapest tracked output price at $3/1M tokens.
- Local decision data tags Gemini 3 Flash for Coding, RAG, and Agents.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Claude Opus 4.7
$10,250
Cheapest tracked route/tier: Anthropic
Gemini 3 Flash
$1,150
Cheapest tracked route/tier: Replicate API
Estimated monthly gap: $9,100. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on GCP Vertex AI and Vercel AI Gateway; start route-level A/B tests there.
- Gemini 3 Flash is $22/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Reasoning and Structured outputs before moving production traffic.
- Provider overlap exists on GCP Vertex AI and Vercel AI Gateway; start route-level A/B tests there.
- Claude Opus 4.7 is $22/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Claude Opus 4.7 adds Reasoning and Structured outputs in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-16 | 2025-12-17 |
| Context window | 1m | 1m |
| Parameters | — | — |
| Architecture | decoder only | decoder only |
| License | Proprietary | Proprietary |
| Knowledge cutoff | 2026-01 | 2025-01 |
Pricing and availability
| Pricing attribute | Claude Opus 4.7 | Gemini 3 Flash |
|---|---|---|
| Input price | $5/1M tokens |
|
| Output price | $25/1M tokens |
|
| Providers |
Capabilities
| Capability | Claude Opus 4.7 | Gemini 3 Flash |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | Yes | No |
| Function calling | Yes | Yes |
| Tool use | Yes | Yes |
| Structured outputs | Yes | No |
| Code execution | Yes | Yes |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Claude Opus 4.7 | Gemini 3 Flash |
|---|---|---|
| SWE-bench Verified | 87.6 | 78.0 |
| Google-Proof Q&A | 94.2 | 90.4 |
| Chatbot Arena | 1503.0 | 1467.0 |
Deep dive
On shared benchmark coverage, SWE-bench Verified has Claude Opus 4.7 at 87.6 and Gemini 3 Flash at 78, with Claude Opus 4.7 ahead by 9.6 points; Google-Proof Q&A has Claude Opus 4.7 at 94.2 and Gemini 3 Flash at 90.4, with Claude Opus 4.7 ahead by 3.8 points; Chatbot Arena has Claude Opus 4.7 at 1503 and Gemini 3 Flash at 1467, with Claude Opus 4.7 ahead by 36 points. The largest visible gap is 36 points on Chatbot Arena, which matters most when that benchmark mirrors your workload. Treat isolated benchmark wins as directional, because provider routing, prompt style, and tool access can move real application results.
The capability footprint differs most on reasoning mode: Claude Opus 4.7 and structured outputs: Claude Opus 4.7. Both models share vision, multimodal input, function calling, 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 Opus 4.7 lists $5/1M input and $25/1M output tokens on the cheapest tracked provider, while Gemini 3 Flash lists tiered pricing: 0-200,001t is $0.50/1M input and $3/1M output; 200,001t+ is $0.50/1M input and $3/1M output. A 70/30 input-output blend puts Gemini 3 Flash lower by about $9.75 per million blended tokens. For tiered rows, this cheapest-track view can understate interactive or fast-lane spend, so compare the tier you will actually use. Availability is 7 providers versus 4, so concentration risk also matters.
Choose Claude Opus 4.7 when coding workflow support and broader provider choice are central to the workload. Choose Gemini 3 Flash when coding workflow support and lower cheapest-tier 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 Opus 4.7 or Gemini 3 Flash?
Claude Opus 4.7 supports 1m tokens, while Gemini 3 Flash supports 1m 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 Opus 4.7 or Gemini 3 Flash?
Claude Opus 4.7 lists $5/1M input and $25/1M output tokens on the cheapest tracked provider. Gemini 3 Flash lists tiered pricing: 0-200,001t is $0.50/1M input and $3/1M output; 200,001t+ is $0.50/1M input and $3/1M output. Compare the tier you will actually use; cheap async pricing can overstate savings for interactive workflows. Provider discounts or batch pricing can still change the final bill.
Is Claude Opus 4.7 or Gemini 3 Flash open source?
Claude Opus 4.7 is listed under Proprietary. Gemini 3 Flash 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 Opus 4.7 or Gemini 3 Flash?
Both Claude Opus 4.7 and Gemini 3 Flash 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 Opus 4.7 or Gemini 3 Flash?
Both Claude Opus 4.7 and Gemini 3 Flash 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 Opus 4.7 and Gemini 3 Flash?
Claude Opus 4.7 is available on Anthropic, AWS Bedrock, GCP Vertex AI, Microsoft Foundry, and OpenRouter. Gemini 3 Flash is available on Replicate API, GCP Vertex AI, Google AI Studio, and Vercel AI Gateway. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-25. Data sourced from public model cards and provider documentation.