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. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
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 | 6 tracked | 4 tracked |
| Shared benchmarks | SWE-bench Verified leader | 3 shared |
Decision tradeoffs
- Claude Opus 4.7 holds a shared-benchmark lead on SWE-bench Verified, ahead by 9.6 points.
- Claude Opus 4.7 has broader tracked provider coverage for fallback and route 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 |
| Openness | Proprietary | Proprietary |
| Weights | Not released | Not released |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| 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 |
| JSON / 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 |
Continue comparing
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Last reviewed: 2026-07-26. Data sourced from public model cards and provider documentation.